{"title":"METAL DRILL BITS","description":null,"products":[{"product_id":"ruko-broca-conica-hss-o-3-0-14-0-mm","title":"Ruko HSS Cone Drill Bit (Ø 3.0–14.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-14.0 x 58\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 1\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-14.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 58\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eremoval of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFlutes ground with CBN.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFlutes ground with CBN for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815938429259,"sku":"A1161031010R101001","price":27.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101001-1.jpg?v=1791891069"},{"product_id":"ruko-broca-conica-hss-e-co-5-cobalto-o-3-0-14-0-mm","title":"Ruko HSS-E Co 5 Cobalt Taper Drill Bit (Ø 3.0-14.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-14.0 x 58\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 1\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-14.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 58\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of premium high-speed alloy steel with \u003cb\u003ecobalt (HSSE-Co5)\u003c\/b\u003e, with CBN-ground flutes, ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eCobalt provides greater resistance to the heat generated during machining, allowing it to also work with \u003cb\u003estainless steel\u003c\/b\u003e, as well as steel, aluminum, and other metals. The tapered shape facilitates tool extraction, and the split point allows for direct centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel with cobalt (HSSE-Co5), suitable for stainless steel.\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool extraction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and thin-walled tubing in stainless steel, steel, brass, bronze, cast iron, and aluminum.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eHigh-speed steel alloyed with cobalt (HSSE-Co5), also suitable for stainless steel.\u003c\/li\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool extraction.\u003c\/li\u003e\n\n\u003cli\u003eSuitable for sheet metal and thin-walled tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815938855243,"sku":"A1161031010R101001E","price":47.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101001E-1.jpg?v=1791891071"},{"product_id":"ruko-broca-conica-hss-tin-o-3-0-14-0-mm","title":"Ruko HSS-TiN Conical Drill Bit (Ø 3.0–14.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-14.0 x 58\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 1\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-14.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 58\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (HSS) with \u003cb\u003eTiN\u003c\/b\u003e (titanium nitride) coating, with flutes ground using CBN, ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe TiN coating increases the \u003cb\u003esurface hardness\u003c\/b\u003e and reduces friction, extending the tool's service life. The tapered shape facilitates the removal of the tool from the material, and the split point allows for direct centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFlutes ground with CBN.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eHigher surface hardness and service life thanks to the coating.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eTiN coating that increases surface hardness and service life.\u003c\/li\u003e\n\n\u003cli\u003eFlutes ground with CBN for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal.\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815939019083,"sku":"A1161031010R101001T","price":64.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101001T-1.jpg?v=1791891072"},{"product_id":"ruko-broca-conica-hss-o-5-0-20-0-mm","title":"Ruko HSS Cone Bit (Ø 5.0–20.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-20.0 x 71\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 71\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eremoval of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point allowing for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815940395339,"sku":"A1161031010R101002","price":39.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101002-1.jpg?v=1791891073"},{"product_id":"ruko-broca-conica-hss-e-co-5-cobalto-o-5-0-20-0-mm","title":"Ruko HSS-E Co 5 Cobalt Taper Bit (Ø 5.0-20.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-20.0 x 71\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 71\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep cone drill bit made of high-grade high-speed alloy steel with \u003cb\u003ecobalt (HSSE-Co5)\u003c\/b\u003e, with flutes ground using CBN, ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eCobalt provides greater resistance to the heat generated during machining, allowing it to also work with \u003cb\u003estainless steel\u003c\/b\u003e, as well as steel, aluminum, and other metals. The tapered shape facilitates tool removal, and the split point allows for direct centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel with cobalt (HSSE-Co5), suitable for stainless steel.\u003c\/p\u003e\u003cp\u003eFlutes ground with CBN.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and thin-walled tubing in stainless steel, steel, brass, bronze, cast iron, and aluminum.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eHigh-speed steel alloyed with cobalt (HSSE-Co5), also suitable for stainless steel.\u003c\/li\u003e\n\n\u003cli\u003eFlutes ground with CBN for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal.\u003c\/li\u003e\n\n\u003cli\u003eSuitable for sheet metal and thin-walled tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815940559179,"sku":"A1161031010R101002E","price":65.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101002E-1.jpg?v=1791891075"},{"product_id":"ruko-broca-conica-hss-tin-o-5-0-20-0-mm","title":"Ruko HSS-TiN Conical Drill Bit (Ø 5.0–20.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-20.0 x 71\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 71\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (HSS) with a \u003cb\u003eTiN\u003c\/b\u003e (titanium nitride) coating, with flutes ground using CBN, ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe TiN coating increases the \u003cb\u003esurface hardness\u003c\/b\u003e and reduces friction, extending the tool's service life. The tapered shape facilitates the removal of the tool from the material, and the split point allows for direct centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFlutes ground with CBN.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eHigher surface hardness and service life thanks to the coating.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eTiN coating that increases surface hardness and service life.\u003c\/li\u003e\n\n\u003cli\u003eFlutes ground with CBN for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal.\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815941738827,"sku":"A1161031010R101002T","price":96.17,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101002T-1.jpg?v=1791891076"},{"product_id":"ruko-broca-conica-hss-o-16-0-30-5-mm","title":"Ruko HSS Step Drill Bit (Ø 16.0–30.5 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 16.0-30.5 x 76\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 3\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 16.0-30.5\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 76\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eremoval of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point allowing for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815942197579,"sku":"A1161031010R101003","price":70.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101003-1.jpg?v=1791891077"},{"product_id":"ruko-broca-conica-hss-e-co-5-cobalto-o-16-0-30-5-mm","title":"Ruko HSS-E Co 5 Cobalt Taper Drill Bit (Ø 16.0-30.5 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 16.0-30.5 x 76\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 3\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 16.0-30.5\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 76\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of premium high-speed alloy steel with \u003cb\u003ecobalt (HSSE-Co5)\u003c\/b\u003e, with CBN-ground flutes, ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eCobalt provides greater resistance to the heat generated during machining, allowing it to also work with \u003cb\u003estainless steel\u003c\/b\u003e, as well as steel, aluminum, and other metals. The tapered shape facilitates tool extraction, and the split point allows for direct centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel with cobalt (HSSE-Co5), suitable for stainless steel.\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool extraction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and thin-walled tubing in stainless steel, steel, brass, bronze, cast iron, and aluminum.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eHigh-speed steel alloyed with cobalt (HSSE-Co5), also suitable for stainless steel.\u003c\/li\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool extraction.\u003c\/li\u003e\n\n\u003cli\u003eSuitable for sheet metal and thin-walled tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815943901515,"sku":"A1161031010R101003E","price":108.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101003E-1.jpg?v=1791891078"},{"product_id":"ruko-broca-conica-hss-tin-o-16-0-30-5-mm","title":"Ruko HSS-TiN Step Drill Bit (Ø 16.0–30.5 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 16.0-30.5 x 76\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 3\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 16.0-30.5\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 76\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (HSS) with \u003cb\u003eTiN\u003c\/b\u003e (titanium nitride) coating, with flutes ground using CBN, ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe TiN coating increases the \u003cb\u003esurface hardness\u003c\/b\u003e and reduces friction, extending the tool's service life. The tapered shape facilitates the removal of the tool from the material, and the split point allows for direct centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFlutes ground with CBN.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eHigher surface hardness and service life thanks to the coating.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and thin-walled tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eTiN coating that increases surface hardness and service life.\u003c\/li\u003e\n\n\u003cli\u003eFlutes ground with CBN for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal.\u003c\/li\u003e\n\n\u003cli\u003eSuitable for sheet metal and thin-walled tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815944425803,"sku":"A1161031010R101003T","price":148.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101003T-1.jpg?v=1791891080"},{"product_id":"ruko-broca-conica-hss-o-24-0-40-0-mm","title":"Ruko HSS Cone Drill Bit (Ø 24.0–40.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 240-40.0 x 89\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 4\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 24.0-40.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 89\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eremoval of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFlutes ground with CBN.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFlutes ground with CBN for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point allowing for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815944524107,"sku":"A1161031010R101004","price":149.91,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101004-1.jpg?v=1791891081"},{"product_id":"ruko-broca-conica-hss-o-36-0-50-0-mm","title":"Ruko HSS Cone Bit (Ø 36.0-50.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 36.0-50.0 x 97\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 5\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 36.0-50.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 97\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 12\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eremoval of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point allowing for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815946129739,"sku":"A1161031010R101005","price":209.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101005-1.jpg?v=1791891082"},{"product_id":"ruko-broca-conica-hss-o-40-0-61-0-mm","title":"Ruko HSS Step Drill Bit (Ø 40.0–61.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 40.0-61.0 x 103\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 40.0-61.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 103\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 13\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eremoval of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point allowing for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815946228043,"sku":"A1161031010R101006","price":356.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101006-1.jpg?v=1791891083"},{"product_id":"ruko-broca-conica-hss-o-5-0-25-4-mm","title":"Ruko HSS Step Drill Bit (Ø 5.0–25.4 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-25.4 x 87\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 7\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-25.4\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 87\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eextraction of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFlutes ground with CBN.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool extraction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFlutes ground with CBN for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point allowing for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool extraction from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815947604299,"sku":"A1161031010R101007","price":85.48,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101007-1.jpg?v=1791891084"},{"product_id":"ruko-broca-conica-hss-o-5-0-31-0-mm","title":"Ruko HSS Cone Drill Bit (Ø 5.0–31.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-31.0 x 103\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-31.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 103\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eremoval of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point allowing for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815947997515,"sku":"A1161031010R101008","price":93.06,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101008-1.jpg?v=1791891086"},{"product_id":"ruko-broca-conica-hss-e-co-5-cobalto-o-5-0-31-0-mm","title":"Ruko HSS-E Co 5 Cobalt Taper Drill Bit (Ø 5.0-31.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-31.0 x 103\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-31.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 103\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-grade high-speed steel alloyed with \u003cb\u003ecobalt (HSSE-Co5)\u003c\/b\u003e, with CBN-ground flutes, ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eCobalt provides greater resistance to the heat generated during machining, allowing it to also work with \u003cb\u003estainless steel\u003c\/b\u003e, as well as steel, aluminum, and other metals. The tapered shape facilitates tool removal, and the split point allows for direct centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5), suitable for stainless steel.\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and thin-walled tubing in stainless steel, steel, brass, bronze, cast iron, and aluminum.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eHigh-speed steel alloyed with cobalt (HSSE-Co5), also suitable for stainless steel.\u003c\/li\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal.\u003c\/li\u003e\n\n\u003cli\u003eSuitable for sheet metal and thin-walled tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815949570379,"sku":"A1161031010R101008E","price":155.03,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101008E-1.jpg?v=1791891087"},{"product_id":"ruko-broca-conica-hss-tin-o-5-0-31-0-mm","title":"Ruko HSS-TiN Conical Drill Bit (Ø 5.0–31.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-31.0 x 103\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-31.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 103\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (HSS) with a \u003cb\u003eTiN\u003c\/b\u003e (titanium nitride) coating, with flutes ground using CBN, ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe TiN coating increases the \u003cb\u003esurface hardness\u003c\/b\u003e and reduces friction, extending the tool's service life. The tapered shape facilitates the removal of the tool from the material, and the split point allows for direct centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFlutes ground with CBN.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eHigher surface hardness and service life thanks to the coating.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and thin-walled tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eTiN coating that increases surface hardness and service life.\u003c\/li\u003e\n\n\u003cli\u003eFlutes ground with CBN for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal.\u003c\/li\u003e\n\n\u003cli\u003eSuitable for sheet metal and thin-walled tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815949734219,"sku":"A1161031010R101008T","price":225.52,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101008T-1.jpg?v=1791891088"},{"product_id":"ruko-juego-3-brocas-conicas-hss-spray-de-corte-50-ml","title":"Ruko 3-Piece HSS Cone Drill Bit Set + 50 ml Cutting Fluid Spray","description":"\u003cp\u003e\u003cb\u003eContents\u003c\/b\u003e\u003cspan\u003e HSS step drill bits no. 1, 2 and 3 + cutting spray\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSet consisting of three HSS high-speed steel sheet metal step drill bits, with complementary diameter ranges covering holes from 3 to 30.5 mm.\u003c\/p\u003e\u003cp\u003eThe drill bits are ground using the CBN process, both in the flutes and on the cutting edges, providing a defined geometry that promotes clean machining. They feature a split point according to DIN 1412 C, a 118° point angle, and right-hand cut.\u003c\/p\u003e\u003cp\u003eThe design of their chip evacuation flutes is intended to promote uniform cutting and reduce noise, vibration, and burr formation. The conical geometry, with a 20\/30° cone angle, allows the diameter to be progressively enlarged during drilling.\u003c\/p\u003e\u003cp\u003eThe set is supplied with a 50 ml cutting spray and presented in a polystyrene case.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eType: sheet metal step drill bit set\u003c\/p\u003e\u003cp\u003eNumber of drill bits: 3\u003c\/p\u003e\u003cp\u003eMaterial: HSS high-speed steel\u003c\/p\u003e\u003cp\u003eGrinding process: CBN\u003c\/p\u003e\u003cp\u003ePoint type: split point\u003c\/p\u003e\u003cp\u003ePoint standard: DIN 1412 C\u003c\/p\u003e\u003cp\u003eCut direction: right-hand\u003c\/p\u003e\u003cp\u003ePoint angle: 118°\u003c\/p\u003e\u003cp\u003eCone angle: 20\/30°\u003c\/p\u003e\u003cp\u003eSurface finish: bright\u003c\/p\u003e\u003cp\u003eDiameter tolerance: factory standard\u003c\/p\u003e\u003cp\u003eSize no. 1: Ø 3-14 mm\u003c\/p\u003e\u003cp\u003eSize no. 2: Ø 5-20 mm\u003c\/p\u003e\u003cp\u003eSize no. 3: Ø 16-30.5 mm\u003c\/p\u003e\u003cp\u003eIncluded accessory: 50 ml cutting spray\u003c\/p\u003e\u003cp\u003ePackaging: polystyrene case\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling steel sheets.\u003c\/p\u003e\u003cp\u003eDrilling stainless steel sheets.\u003c\/p\u003e\u003cp\u003eWork on non-ferrous metals.\u003c\/p\u003e\u003cp\u003eDrilling of thermoplastic materials and hard plastics.\u003c\/p\u003e\u003cp\u003eProducing different drilling diameters with a single set of tools.\u003c\/p\u003e\u003cp\u003eWork on metal sheets up to 4 mm thick.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eProfessional set consisting of 3 HSS step drill bits covering drilling diameters from 3 to 30.5 mm.\u003c\/li\u003e\n\n\u003cli\u003eDrill bits ground using the CBN process to achieve precise edges and a clean cut.\u003c\/li\u003e\n\n\u003cli\u003eSplit point according to DIN 1412 C to facilitate centering and the start of drilling.\u003c\/li\u003e\n\n\u003cli\u003eRight-hand cut geometry with a 118° point angle and a 20\/30° cone angle.\u003c\/li\u003e\n\n\u003cli\u003eIncludes 50 ml cutting spray and a polystyrene case to keep the set organized.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815949898059,"sku":"A1161031010R101009","price":152.8,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101009-1.jpg?v=1791891090"},{"product_id":"ruko-juego-3-brocas-conicas-hss-e-co-5-pasta-de-corte-30-g","title":"Ruko 3-Piece HSS-E Co 5 Taper Drill Bit Set + 30 g Cutting Paste","description":"\u003cp\u003e\u003cb\u003eContents\u003c\/b\u003e\u003cspan\u003e HSS-E (Co 5) step drill bits no. 1, 2 and 3 + cutting paste\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSet consisting of three step drill bits for sheet metal made of HSSE-Co 5 high-speed steel, with a 5% cobalt content and complementary diameter ranges from 3 to 30.5 mm.\u003c\/p\u003e\u003cp\u003eThe drill bits feature precision CBN-ground cutting edges and chip flutes. This geometry provides a defined cut and facilitates clean chip removal during machining.\u003c\/p\u003e\u003cp\u003eThey feature a split point according to DIN 1412 C, right-hand cut, and a 118° point angle. Their 20\/30° step geometry allows the drilling diameter to be increased progressively, while the flute design helps reduce noise, vibration, and burr formation.\u003c\/p\u003e\u003cp\u003eThe set is supplied in an industrial metal case and includes 30 g of cutting paste.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eType: sheet metal step drill bit set\u003c\/p\u003e\u003cp\u003eNumber of drill bits: 3\u003c\/p\u003e\u003cp\u003eMaterial: HSSE-Co 5 high-speed steel\u003c\/p\u003e\u003cp\u003eCobalt content: 5%\u003c\/p\u003e\u003cp\u003eGrinding process: CBN\u003c\/p\u003e\u003cp\u003ePoint type: split point\u003c\/p\u003e\u003cp\u003ePoint standard: DIN 1412 C\u003c\/p\u003e\u003cp\u003eCut direction: right-hand\u003c\/p\u003e\u003cp\u003ePoint angle: 118°\u003c\/p\u003e\u003cp\u003eStep angle: 20\/30°\u003c\/p\u003e\u003cp\u003eSurface finish: bright\u003c\/p\u003e\u003cp\u003eDiameter tolerance: factory standard\u003c\/p\u003e\u003cp\u003eSize no. 1: Ø 3-14 mm, length 58 mm, shank Ø 6 mm\u003c\/p\u003e\u003cp\u003eSize no. 2: Ø 5-20 mm, length 71 mm, shank Ø 8 mm\u003c\/p\u003e\u003cp\u003eSize no. 3: Ø 16-30.5 mm, length 76 mm, shank Ø 9 mm\u003c\/p\u003e\u003cp\u003eIncluded accessory: 30 g cutting paste\u003c\/p\u003e\u003cp\u003ePackaging: industrial metal case\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling steel sheet metal.\u003c\/p\u003e\u003cp\u003eDrilling stainless steel.\u003c\/p\u003e\u003cp\u003eWorking on non-ferrous metals.\u003c\/p\u003e\u003cp\u003eDrilling thermoplastic materials.\u003c\/p\u003e\u003cp\u003eDrilling hard plastics.\u003c\/p\u003e\u003cp\u003eWorking on sheet metal up to 4 mm thick.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eProfessional set of 3 HSSE-Co 5 step drill bits with drilling ranges of 3-14, 5-20 and 16-30.5 mm.\u003c\/li\u003e\n\n\u003cli\u003eHigh-speed steel with 5% cobalt for demanding sheet metal drilling applications.\u003c\/li\u003e\n\n\u003cli\u003eCBN-ground for defined cutting edges and clean chip removal.\u003c\/li\u003e\n\n\u003cli\u003eSplit point according to DIN 1412 C with a 118° point angle for easy centering.\u003c\/li\u003e\n\n\u003cli\u003eSupplied with 30 g of cutting paste in an industrial metal case.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815951208779,"sku":"A1161031010R101020E","price":227.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101020E-1.jpg?v=1791891091"},{"product_id":"ruko-juego-3-brocas-conicas-hss-tin-pasta-de-corte-30-g","title":"Ruko 3-Piece HSS-TiN Step Drill Bit Set + 30 g Cutting Paste","description":"\u003cp\u003e\u003cb\u003eContents\u003c\/b\u003e\u003cspan\u003e HSS-TiN spiral point drill bits no. 1, 2 and 3 + cutting paste\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSet consisting of three spiral point sheet metal drill bits made of high-speed steel (HSS) and provided with a TiN coating, with complementary ranges allowing them to cover diameters from 3 to 30.5 mm.\u003c\/p\u003e\u003cp\u003eThe drill bits are ground using the CBN process on both the cutting edges and the chip evacuation flutes, providing a precise and uniform cutting geometry. They feature a split point according to DIN 1412 C and are designed for right-hand cutting.\u003c\/p\u003e\u003cp\u003eThe point has an angle of 118°, while the spiral geometry has an angle of 20\/30°. The specific design of the chip evacuation flutes helps achieve a clean cut, reducing noise, vibration, and burr formation.\u003c\/p\u003e\u003cp\u003eThe set is supplied with 30 g of cutting paste and presented in an industrial metal case.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eType: spiral point sheet metal drill bit set\u003c\/p\u003e\u003cp\u003eNumber of drill bits: 3\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS)\u003c\/p\u003e\u003cp\u003eCoating: TiN\u003c\/p\u003e\u003cp\u003eGrinding process: CBN\u003c\/p\u003e\u003cp\u003ePoint type: split point\u003c\/p\u003e\u003cp\u003ePoint standard: DIN 1412 C\u003c\/p\u003e\u003cp\u003eCutting direction: right-hand\u003c\/p\u003e\u003cp\u003ePoint angle: 118°\u003c\/p\u003e\u003cp\u003eSpiral angle: 20\/30°\u003c\/p\u003e\u003cp\u003eDiameter tolerance: manufacturer's standard\u003c\/p\u003e\u003cp\u003eSize no. 1: Ø 3-14 mm, length 58 mm, shank Ø 6 mm\u003c\/p\u003e\u003cp\u003eSize no. 2: Ø 5-20 mm, length 71 mm, shank Ø 8 mm\u003c\/p\u003e\u003cp\u003eSize no. 3: Ø 16-30.5 mm, length 76 mm, shank Ø 9 mm\u003c\/p\u003e\u003cp\u003eIncluded accessory: 30 g cutting paste\u003c\/p\u003e\u003cp\u003ePresentation: industrial metal case\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling steel sheet metal.\u003c\/p\u003e\u003cp\u003eDrilling stainless steel sheet metal.\u003c\/p\u003e\u003cp\u003eWork on non-ferrous metals.\u003c\/p\u003e\u003cp\u003eDrilling thermoplastic materials.\u003c\/p\u003e\u003cp\u003eDrilling hard plastics.\u003c\/p\u003e\u003cp\u003eWork on sheet metal up to 4 mm thick.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eProfessional set consisting of 3 HSS spiral point drill bits with TiN coating and drilling ranges of 3-14, 5-20 and 16-30.5 mm.\u003c\/li\u003e\n\n\u003cli\u003eGround using the CBN process to achieve defined cutting edges and clean chip evacuation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point according to DIN 1412 C to facilitate centering and the start of drilling.\u003c\/li\u003e\n\n\u003cli\u003eRight-hand cutting geometry with a point angle of 118° and a spiral angle of 20\/30°.\u003c\/li\u003e\n\n\u003cli\u003eSupplied with 30 g of cutting paste in an industrial metal case.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815951405387,"sku":"A1161031010R101020T","price":317.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101020T-1.jpg?v=1791891092"},{"product_id":"ruko-broca-conica-hss-o-5-0-22-5-mm","title":"Ruko HSS Cone Drill Bit (Ø 5.0–22.5 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-22.5 x 79\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-22.5\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 79\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with flutes ground using \u003cb\u003eCBN\u003c\/b\u003e (cubic boron nitride), ensuring quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe tapered shape facilitates the \u003cb\u003eremoval of the tool\u003c\/b\u003e from the material once drilled, while the split point allows for direct centering and pilot-drilling even in thin materials, without the need for a center punch.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003eTapered shape that facilitates tool removal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing in steel, brass, bronze, cast iron, aluminum, and plastics.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet, high-performance operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point allowing for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eTapered shape that facilitates tool removal from the material.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eSuitable for thin sheet metal and tubing.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815952879947,"sku":"A1161031010R101022","price":60.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101022-1.jpg?v=1791891093"},{"product_id":"ruko-spray-de-corte-de-200-ml","title":"Ruko 200 ml Cutting Spray.","description":"\u003cp\u003e\u003cb\u003eContents\u003c\/b\u003e\u003cspan\u003e 200 ml spray\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCutting paste presented in a \u003cb\u003e40 ml\u003c\/b\u003e container, part of the RUKO range of lubricants and coolants, designed for use during drilling with hollow drill bits.\u003c\/p\u003e\u003cp\u003eRUKO lubricants and coolants offer a \u003cb\u003erelease and cooling effect\u003c\/b\u003e, resulting in a high-quality surface finish and a longer tool life, even when machining hard and brittle materials.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003ePresentation: 40 ml container.\u003c\/p\u003e\u003cp\u003eRelease and cooling effect.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eUse during drilling with hollow drill bits and other cutting tools.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003ePresented in a 40 ml container.\u003c\/li\u003e\n\n\u003cli\u003eRelease and cooling effect, like the rest of the RUKO lubricants.\u003c\/li\u003e\n\n\u003cli\u003eImproves the surface finish and increases the tool life.\u003c\/li\u003e\n\n\u003cli\u003eIncluded in RUKO HSS and HSSE-Co5 hollow drill bit sets.\u003c\/li\u003e\n\n\u003cli\u003eCompatible for use with hollow drill bits and other cutting tools.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815954714955,"sku":"A1161031010R101025","price":32.22,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101025-1.jpg?v=1791891096"},{"product_id":"ruko-spray-de-corte-de-400-ml","title":"Ruko 400 ml Cutting Spray.","description":"\u003cp\u003e\u003cb\u003eContents\u003c\/b\u003e\u003cspan\u003e 400 ml spray\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCutting paste presented in a \u003cb\u003e40 ml\u003c\/b\u003e container, belonging to the RUKO range of lubricants and coolants, designed for use during drilling with hollow drill bits.\u003c\/p\u003e\u003cp\u003eRUKO lubricants and coolants offer a \u003cb\u003erelease and cooling effect\u003c\/b\u003e, which translates into a high-quality surface finish and a longer tool life, even when machining hard and brittle materials.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003ePresentation: 40 ml container.\u003c\/p\u003e\u003cp\u003eRelease and cooling effect.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eUse during drilling with hollow drill bits and other cutting tools.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003ePresentation in a 40 ml container.\u003c\/li\u003e\n\n\u003cli\u003eRelease and cooling effect, like the rest of RUKO lubricants.\u003c\/li\u003e\n\n\u003cli\u003eImproves the surface finish and increases tool life.\u003c\/li\u003e\n\n\u003cli\u003eIncluded in RUKO HSS and HSSE-Co5 hollow drill bit sets.\u003c\/li\u003e\n\n\u003cli\u003eCompatible for use with hollow drill bits and other cutting tools.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815956189515,"sku":"A1161031010R101036","price":21.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101036-1.jpg?v=1791891099"},{"product_id":"ruko-broca-conica-hss-con-tope-o-3-0-10-2-mm","title":"Ruko HSS tapered drill bit with stop (Ø 3.0-10.2 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-10.2 x 52\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-10.2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 52\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSheet metal twist drill bit made of high-speed steel (HSS), designed to make precise holes with a geometry that combines drilling, stopping, and countersinking in a single tool.\u003c\/p\u003e\u003cp\u003eThe flutes and cutting edges are ground using the CBN process, utilizing cubic boron nitride to achieve a defined edge and clean chip evacuation. Its right-hand cutting geometry incorporates a 118° point angle, C-shaped cross-ground edge, and split point configuration, promoting a centered start to drilling.\u003c\/p\u003e\u003cp\u003eThe 20–30° cone angle allows the tool to advance progressively through the material. The cone located in the final area of the drill bit also acts as a finishing element and facilitates extraction once the hole has been drilled.\u003c\/p\u003e\u003cp\u003eIts bright surface finish and the shank with three clamping surfaces complete a configuration aimed at professional work where stability during machining is required.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eType: sheet metal twist drill bit with stop and countersink\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS)\u003c\/p\u003e\u003cp\u003eGrinding process: CBN\u003c\/p\u003e\u003cp\u003eCutting direction: right-hand\u003c\/p\u003e\u003cp\u003ePoint type: split point\u003c\/p\u003e\u003cp\u003eEdge: C-shaped, cross-ground\u003c\/p\u003e\u003cp\u003ePoint angle: 118°\u003c\/p\u003e\u003cp\u003eCone angle: 20–30°\u003c\/p\u003e\u003cp\u003eSurface finish: bright\u003c\/p\u003e\u003cp\u003eDiameter tolerance: factory standard\u003c\/p\u003e\u003cp\u003eShank: with three clamping surfaces\u003c\/p\u003e\u003cp\u003eShank diameter: 6 mm\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling and finishing steel sheet metal.\u003c\/p\u003e\u003cp\u003eWork on stainless steel sheet metal.\u003c\/p\u003e\u003cp\u003eDrilling non-ferrous metals.\u003c\/p\u003e\u003cp\u003eMachining of thermoplastic and thermosetting materials.\u003c\/p\u003e\u003cp\u003eMaking holes in sheet metal where a countersunk finish is required.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMade of high-speed steel (HSS) for professional sheet metal drilling work.\u003c\/li\u003e\n\n\u003cli\u003eGround using the CBN process to obtain defined edges and precise cutting.\u003c\/li\u003e\n\n\u003cli\u003eSplit point with C-shaped cross-ground edge to facilitate centering and the start of drilling.\u003c\/li\u003e\n\n\u003cli\u003eConical geometry with integrated stop and countersink to complete the hole in a single tool.\u003c\/li\u003e\n\n\u003cli\u003eShank with three clamping surfaces for stable fixation in the drill chuck.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815956353355,"sku":"A1161031010R101042","price":30.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101042-1.jpg?v=1791891100"},{"product_id":"ruko-broca-conica-hss-con-tope-o-3-0-11-8-mm","title":"Ruko HSS tapered drill bit with stop (Ø 3.0-11.8 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-11.8 x 56\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 3\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 3.0-11.8\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 56\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of flutes\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSheet metal twist drill bit made of HSS high-speed steel, designed to make precise holes with a geometry that combines drilling, stopping, and countersinking in a single tool.\u003c\/p\u003e\u003cp\u003eThe flutes and cutting edges are ground using the CBN process, utilizing cubic boron nitride to achieve a defined edge and clean chip evacuation. Its right-hand cutting geometry incorporates a 118° point angle, C-shaped cross-ground edge, and split point configuration, promoting a centered start to drilling.\u003c\/p\u003e\u003cp\u003eThe 20–30° cone angle allows the tool to advance progressively through the material. The cone located in the final area of the drill bit also acts as a finishing element and facilitates extraction once the hole is made.\u003c\/p\u003e\u003cp\u003eIts bright surface finish and the shank with three clamping surfaces complete a configuration aimed at professional work where stability during machining is desired.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eType: sheet metal twist drill bit with stop and countersink\u003c\/p\u003e\u003cp\u003eMaterial: HSS high-speed steel\u003c\/p\u003e\u003cp\u003eGrinding process: CBN\u003c\/p\u003e\u003cp\u003eCutting direction: right-hand\u003c\/p\u003e\u003cp\u003ePoint type: split point\u003c\/p\u003e\u003cp\u003eEdge: C-shaped, cross-ground\u003c\/p\u003e\u003cp\u003ePoint angle: 118°\u003c\/p\u003e\u003cp\u003eCone angle: 20–30°\u003c\/p\u003e\u003cp\u003eSurface finish: bright\u003c\/p\u003e\u003cp\u003eDiameter tolerance: factory standard\u003c\/p\u003e\u003cp\u003eShank: with three clamping surfaces\u003c\/p\u003e\u003cp\u003eShank diameter: 6 mm\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling and finishing steel sheet metal.\u003c\/p\u003e\u003cp\u003eWork on stainless steel sheet metal.\u003c\/p\u003e\u003cp\u003eDrilling non-ferrous metals.\u003c\/p\u003e\u003cp\u003eMachining of thermoplastic and thermosetting materials.\u003c\/p\u003e\u003cp\u003eMaking holes in sheet metal where a countersunk finish is required.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMade of HSS high-speed steel for professional sheet metal drilling work.\u003c\/li\u003e\n\n\u003cli\u003eGround using the CBN process to obtain defined edges and precise cutting.\u003c\/li\u003e\n\n\u003cli\u003eSplit point with C-shaped cross-ground edge to facilitate centering and the start of drilling.\u003c\/li\u003e\n\n\u003cli\u003eConical geometry with integrated stop and countersink to complete the hole in a single tool.\u003c\/li\u003e\n\n\u003cli\u003eShank with three clamping surfaces for stable fixation in the drill chuck.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815956484427,"sku":"A1161031010R101043","price":35.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161031010R101043-1.jpg?v=1791891102"},{"product_id":"ruko-broca-conica-para-chapa-hss-con-canales-en-espiral-o-5-0-31-0-mm","title":"Ruko HSS spiral point sheet metal drill bit (Ø 5.0–31.0 mm)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-31.0 x 106\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-31.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 106\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSheet metal twist drill manufactured from HSS high-speed steel with spiral flute geometry designed to provide stable and precise machining.\u003c\/p\u003e\u003cp\u003eCBN grinding provides defined cutting edges, while the split point according to DIN 1412 C facilitates centering and starting the drilling process. Its design incorporates a 118° point angle and a 20° taper.\u003c\/p\u003e\u003cp\u003eUnlike geometries with straight flutes, its spiral chip flutes provide greater stability during machining, improve cutting performance, and facilitate chip evacuation. The tool is designed for right-hand cutting and features a three-flat shank for improved clamping.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eType: sheet metal twist drill with spiral flutes\u003c\/p\u003e\u003cp\u003eMaterial: HSS high-speed steel\u003c\/p\u003e\u003cp\u003eFlute geometry: spiral\u003c\/p\u003e\u003cp\u003eGrinding process: CBN\u003c\/p\u003e\u003cp\u003ePoint type: split point\u003c\/p\u003e\u003cp\u003ePoint standard: DIN 1412 C\u003c\/p\u003e\u003cp\u003eCutting direction: right-hand\u003c\/p\u003e\u003cp\u003ePoint angle: 118°\u003c\/p\u003e\u003cp\u003eTaper angle: 20°\u003c\/p\u003e\u003cp\u003eShank: three-flat\u003c\/p\u003e\u003cp\u003eSurface finish: bright\u003c\/p\u003e\u003cp\u003ePackaging unit: individual plastic packaging\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling alloy steel sheet metal.\u003c\/p\u003e\u003cp\u003eDrilling carbon steel sheet metal.\u003c\/p\u003e\u003cp\u003eWork on steel sheet metal up to 4 mm thick.\u003c\/p\u003e\u003cp\u003eDrilling non-ferrous metals.\u003c\/p\u003e\u003cp\u003eDrilling plastic materials.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eManufactured from HSS high-speed steel\u003c\/li\u003e\n\n\u003cli\u003eSpiral chip flutes to increase stability, improve cutting performance, and facilitate chip evacuation.\u003c\/li\u003e\n\n\u003cli\u003eCBN ground to achieve defined edges and precise machining.\u003c\/li\u003e\n\n\u003cli\u003eSplit point according to DIN 1412 C with a 118° point angle to facilitate centering.\u003c\/li\u003e\n\n\u003cli\u003eThree-flat shank for stable clamping in the drill chuck.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815957729611,"sku":"A1161032010R101408","price":57.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161032010R101408-1.jpg?v=1791891103"},{"product_id":"ruko-juego-de-3-brocas-escalonadas-hss-estriado-en-espiral-tamanos-0-9-1-2-en-estuche-de-plastico","title":"Ruko 3-Piece Spiral Point HSS Step Drill Bit Set, Sizes 0\/9, 1, 2 in Plastic Case","description":"\u003cp\u003eStep drill bit set made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows for a step-free transition between the different diameters of each bit.\u003c\/p\u003e\u003cp\u003eThe deeply ground spiral groove ensures smooth operation and clean chip evacuation. Includes 3 commonly used sizes.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eSet of 3 commonly used sizes.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eSet of 3 commonly used sizes.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815959499083,"sku":"A1161041010R101026RO","price":224.37,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101026RO-1.jpg?v=1791891107"},{"product_id":"ruko-juego-de-3-brocas-escalonadas-hss-tin-tamanos-0-9-1-2","title":"Ruko 3-Piece HSS-TiN Step Drill Bit Set Sizes 0\/9, 1, 2","description":"\u003cp\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 0\/9 + 1 + 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit set made of high-speed steel (HSS) with \u003cb\u003etitanium nitride (TiN)\u003c\/b\u003e coating, featuring \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows for a step-free transition between the different diameters of each drill bit.\u003c\/p\u003e\u003cp\u003eThe deeply ground spiral groove ensures smooth operation and clean chip evacuation. Includes 3 commonly used sizes.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eSet of 3 commonly used sizes.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS) with titanium nitride (TiN) coating.\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eSet of 3 commonly used sizes.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815963136331,"sku":"A1161041010R101026TR","price":499.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101026TR-1.jpg?v=1791891111"},{"product_id":"ruko-broca-conica-para-chapa-hss-con-mango-hexagonal-1-4-o-5-0-20-0-mm","title":"Ruko HSS sheet metal step drill bit with 1\/4\" hex shank Ø 5.0-20.0 mm","description":"\u003cp\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 78\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e -\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (in)\u003c\/b\u003e\u003cspan\u003e 1\/4\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with a \u003cb\u003e1\/4\"\u003c\/b\u003e hexagonal shank for use in quick-change chucks, with flutes ground with CBN for quiet operation and high cutting performance.\u003c\/p\u003e\u003cp\u003eThe relief angle at the bottom of the tool facilitates its \u003cb\u003eextraction\u003c\/b\u003e from the material once drilled, and the split point allows for direct centering without the need for a center punch, even in thin materials.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003e1\/4\" hexagonal shank for quick-change chucks.\u003c\/p\u003e\u003cp\u003eCBN-ground flutes.\u003c\/p\u003e\u003cp\u003eSplit point for direct centering.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling thin sheet metal and tubing with screw drivers and quick-change chucks.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e1\/4\" hexagonal shank for quick-change chucks.\u003c\/li\u003e\n\n\u003cli\u003eCBN-ground flutes for quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eSplit point that allows for direct centering without a center punch.\u003c\/li\u003e\n\n\u003cli\u003eRelief angle that facilitates the extraction of the tool.\u003c\/li\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815963300171,"sku":"A1161041010R101049H","price":51.12,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101049H-1.jpg?v=1791891112"},{"product_id":"ruko-broca-escalonada-hss-o-4-0-12-0-mm-5-pasos","title":"Ruko HSS Step Drill Bit Ø 4.0-12.0 mm (5 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-12.0 x 65 (5 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 0\/5\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-12.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 65\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 5\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815964741963,"sku":"A1161041010R1010505","price":71.3,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R1010505-1.jpg?v=1791891114"},{"product_id":"ruko-broca-escalonada-hss-o-4-0-12-0-mm-9-pasos","title":"Ruko HSS Step Drill Bit Ø 4.0-12.0 mm (9 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-12.0 x 65 (9 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 0\/9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-12.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 65\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and controllably to the next diameter after passing through each step, achieving a noticeably quieter drilling process. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815965495627,"sku":"A1161041010R1010509","price":48.28,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R1010509-1.jpg?v=1791891115"},{"product_id":"ruko-broca-escalonada-hss-e-co-5-cobalto-o-4-0-12-0-mm-9-pasos","title":"Ruko Step Drill Bit HSS-E Co 5 Cobalt Ø 4.0-12.0 mm (9 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-12.0 x 65 (9 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 0\/9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-12.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 65\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel alloyed with \u003cb\u003ecobalt\u003c\/b\u003e (HSSE-Co5), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a remarkably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in stainless steel and other demanding metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815967363403,"sku":"A1161041010R1010509E","price":64.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R1010509E-1.jpg?v=1791891117"},{"product_id":"ruko-broca-escalonada-hss-tin-o-4-0-12-0-mm-9-pasos","title":"Ruko Step Drill Bit HSS-TiN Ø 4.0-12.0 mm (9 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-12.0 x 65 (9 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 0\/9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-12.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 65\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (HSS) with a \u003cb\u003etitanium nitride (TiN)\u003c\/b\u003e coating, featuring \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows for a step-free transition between the drill bit's different diameters.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and controllably to the next diameter after passing through each step, achieving noticeably quieter drilling. The deeply ground spiral groove ensures smooth operation and clean chip evacuation, minimizing regrown edges and cold welding. The cone at the end facilitates tool removal when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS) with titanium nitride (TiN) coating.\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates removal when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815967789387,"sku":"A1161041010R1010509T","price":94.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R1010509T-1.jpg?v=1791891118"},{"product_id":"ruko-broca-escalonada-hss-o-4-0-20-0-mm-9-pasos","title":"Ruko HSS Step Drill Bit Ø 4.0–20.0 mm (9 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-20.0 x 75 (9 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 1\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 75\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815967887691,"sku":"A1161041010R101051","price":62.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101051-1.jpg?v=1791891119"},{"product_id":"ruko-broca-escalonada-hss-e-co-5-cobalto-o-4-0-20-0-mm-9-pasos","title":"Ruko HSS-E Co 5 Cobalt Step Drill Bit Ø 4.0-20.0 mm (9 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-20.0 x 75 (9 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 1\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 75\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel alloyed with \u003cb\u003ecobalt\u003c\/b\u003e (HSSE-Co5), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deep-ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeep-ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in stainless steel and other demanding metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeep-ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815969001803,"sku":"A1161041010R101051E","price":79.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101051E-1.jpg?v=1791891120"},{"product_id":"ruko-broca-escalonada-hss-con-mango-hexagonal-1-4-o-4-0-20-0-mm-9-pasos","title":"Ruko HSS Step Drill Bit with 1\/4\" Hex Shank Ø 4.0-20.0 mm (9 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-20.0 x 81 (9 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 1\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 81\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6.35 x 27\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), in its \u003cb\u003elong\u003c\/b\u003e version, with a \u003cb\u003e1\/4\"\u003c\/b\u003e hex shank that allows for quick tool changes.\u003c\/p\u003e\u003cp\u003eThe flutes, ground with \u003cb\u003eCBN\u003c\/b\u003e, guarantee quiet operation and high cutting performance. The chip flow is specially optimized, so that even long and continuous chips are easily evacuated, protecting the cutting edges and reducing regrowths and cold welding marks. The bevel at the base of the cone facilitates the extraction of the tool when drilling through holes.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical features:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS), long version.\u003c\/p\u003e\u003cp\u003e1\/4\" hex shank for quick tool changes.\u003c\/p\u003e\u003cp\u003eCBN-ground flutes, optimized chip flow.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles with screw guns and quick-change drills.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS), long version.\u003c\/li\u003e\n\n\u003cli\u003e1\/4\" hex shank for quick tool changes.\u003c\/li\u003e\n\n\u003cli\u003eCBN-ground flutes, quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eOptimized chip flow, evacuates long chips without breaking them.\u003c\/li\u003e\n\n\u003cli\u003eBevel at the base of the cone that facilitates the extraction of the tool.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815970607435,"sku":"A1161041010R101051H","price":119.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101051H-1.jpg?v=1791891122"},{"product_id":"ruko-broca-escalonada-hss-tin-o-4-0-20-0-mm-9-pasos","title":"Ruko HSS-TiN Step Drill Bit Ø 4.0–20.0 mm (9 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-20.0 x 75 (9 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 1\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 75\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (HSS) with a \u003cb\u003etitanium nitride (TiN)\u003c\/b\u003e coating, featuring \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows for a step-free transition between the drill bit's different diameters.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and controllably to the next diameter after passing through each step, achieving a noticeably quieter drilling process. The deeply ground spiral groove ensures smooth operation and clean chip evacuation, minimizing regrown edges and cold welding. The cone at the end facilitates tool removal when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS) with titanium nitride (TiN) coating.\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates removal when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815971328331,"sku":"A1161041010R101051T","price":139.7,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101051T-1.jpg?v=1791891123"},{"product_id":"ruko-broca-escalonada-hss-o-4-0-30-0-mm-14-pasos","title":"Ruko HSS Step Drill Bit Ø 4.0–30.0 mm (14 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0 x 100 (14 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 100\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 14\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ shank (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a notably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like in a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in steel, aluminum and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like in a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815971819851,"sku":"A1161041010R101052","price":99.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101052-1.jpg?v=1791891125"},{"product_id":"ruko-broca-escalonada-hss-e-co-5-cobalto-o-4-0-30-0-mm-14-pasos","title":"Ruko HSS-E Co 5 Cobalt Step Drill Bit Ø 4.0-30.0 mm (14 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0 x 100 (14 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 100\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 14\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ shank (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel alloyed with \u003cb\u003ecobalt\u003c\/b\u003e (HSSE-Co5), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and controllably to the next diameter after passing through each step, achieving a noticeably quieter drilling process. The deep-ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeep-ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in stainless steel and other demanding metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeep-ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815973097803,"sku":"A1161041010R101052E","price":157.03,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101052E-1.jpg?v=1791891126"},{"product_id":"ruko-broca-escalonada-hss-con-mango-hexagonal-1-4-o-4-0-30-0-mm-14-pasos","title":"Ruko HSS Step Drill Bit with 1\/4\" Hex Shank Ø 4.0-30.0 mm (14 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0 x 105 (14 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 105\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 14\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 6.35 x 27\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), in its \u003cb\u003elong\u003c\/b\u003e version, with a \u003cb\u003e1\/4\"\u003c\/b\u003e hex shank that allows for quick tool changes.\u003c\/p\u003e\u003cp\u003eThe flutes, ground with \u003cb\u003eCBN\u003c\/b\u003e, guarantee quiet operation and high cutting performance. The chip flow is specially optimized, so that even long and continuous chips are easily evacuated, protecting the cutting edges and reducing regrowths and cold welding marks. The bevel at the base of the cone facilitates the extraction of the tool when drilling through holes.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS), long version.\u003c\/p\u003e\u003cp\u003e1\/4\" hex shank for quick tool changes.\u003c\/p\u003e\u003cp\u003eCBN-ground flutes, optimized chip flow.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles with quick-change screw drivers and drills.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS), long version.\u003c\/li\u003e\n\n\u003cli\u003e1\/4\" hex shank for quick tool changes.\u003c\/li\u003e\n\n\u003cli\u003eCBN-ground flutes, quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eOptimized chip flow, evacuates long chips without breaking them.\u003c\/li\u003e\n\n\u003cli\u003eBevel at the base of the cone that facilitates the extraction of the tool.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815974834507,"sku":"A1161041010R101052H","price":168.47,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101052H-1.jpg?v=1791891127"},{"product_id":"ruko-broca-escalonada-hss-tin-o-4-0-30-0-mm-14-pasos","title":"Ruko HSS-TiN Step Drill Bit Ø 4.0–30.0 mm (14 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0 x 100 (14 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-30.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 100\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 14\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (HSS) with \u003cb\u003etitanium nitride (TiN)\u003c\/b\u003e coating, featuring \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows for a step-free transition between the drill bit's different diameters.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and controllably to the next diameter after passing through each step, achieving notably quieter drilling. The deeply ground spiral groove ensures smooth operation and clean chip evacuation, minimizing regrowing edges and cold welding. The cone at the end facilitates tool removal when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS) with titanium nitride (TiN) coating.\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates removal when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815974998347,"sku":"A1161041010R101052T","price":250.36,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101052T-1.jpg?v=1791891128"},{"product_id":"ruko-broca-escalonada-hss-o-6-0-38-0-mm-12-pasos","title":"Ruko HSS Step Drill Bit Ø 6.0–38.0 mm (12 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-38.0 x 100 (12 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 3\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-38.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 100\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 12\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ shank (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815975424331,"sku":"A1161041010R101053","price":231.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101053-1.jpg?v=1791891129"},{"product_id":"ruko-broca-escalonada-hss-o-6-0-26-75-mm-8-pasos","title":"Ruko HSS Step Drill Bit Ø 6.0–26.75 mm (8 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-26.75 x 75 (8 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 4\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-26.75\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 75\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815975686475,"sku":"A1161041010R101055","price":128.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101055-1.jpg?v=1791891131"},{"product_id":"ruko-broca-escalonada-hss-e-co-5-cobalto-o-4-0-39-0-mm-13-pasos","title":"Ruko HSS-E Co 5 Cobalt Step Drill Bit Ø 4.0-39.0 mm (13 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-39.0 x 107 (13 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 5\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 4.0-39.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 107\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 13\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel alloyed with \u003cb\u003ecobalt\u003c\/b\u003e (HSSE-Co5), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deep-ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical features:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeep-ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in stainless steel and other demanding metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel alloyed with cobalt (HSSE-Co5).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeep-ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815975850315,"sku":"A1161041010R101056","price":261.65,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101056-1.jpg?v=1791891132"},{"product_id":"ruko-broca-escalonada-hss-o-6-0-32-0-mm-8-pasos","title":"Ruko HSS Step Drill Bit Ø 6.0–32.0 mm (8 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-32.0 x 75 (8 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 6\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-32.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 75\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical features:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815977587019,"sku":"A1161041010R101057","price":189.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101057-1.jpg?v=1791891133"},{"product_id":"ruko-broca-escalonada-hss-o-5-0-28-0-mm-7-pasos","title":"Ruko HSS Step Drill Bit Ø 5.0–28.0 mm (7 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-28.0 x 69 (7 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 7\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 5.0-28.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 69\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 7\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815977816395,"sku":"A1161041010R101058","price":110.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101058-1.jpg?v=1791891134"},{"product_id":"ruko-broca-escalonada-hss-o-6-0-37-0-mm-12-pasos","title":"Ruko HSS Step Drill Bit Ø 6.0–37.0 mm (12 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-37.0 x 100 (12 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-37.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 100\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 12\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ shank (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a noticeably quieter drilling. The deeply ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815979389259,"sku":"A1161041010R101060","price":191.39,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101060-1.jpg?v=1791891135"},{"product_id":"ruko-broca-escalonada-hss-e-co-5-cobalto-o-6-0-37-0-mm-12-pasos","title":"Ruko HSS-E Co 5 Cobalt Step Drill Bit Ø 6.0-37.0 mm (12 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-37.0 x 100 (12 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-37.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 100\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 12\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ shank (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed alloy steel with \u003cb\u003ecobalt\u003c\/b\u003e (HSSE-Co5), with \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and in a controlled manner to the next diameter after passing through each step, achieving a notably quieter drilling. The deep-ground spiral groove guarantees smooth operation and clean chip evacuation, like a conventional twist drill bit, minimizing regrown edges and cold welding. The cone at the end facilitates the extraction of the tool when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical characteristics:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed alloy steel with cobalt (HSSE-Co5).\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeep-ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling of sheet metal and metal profiles in stainless steel and other demanding metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed alloy steel with cobalt (HSSE-Co5).\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeep-ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815982666059,"sku":"A1161041010R101060E","price":245.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101060E-1.jpg?v=1791891137"},{"product_id":"ruko-broca-escalonada-hss-tin-o-6-0-37-0-mm-12-pasos","title":"Ruko HSS-TiN Step Drill Bit Ø 6.0–37.0 mm (12 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-37.0 x 100 (12 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e 9\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-37.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 100\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 12\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ shank (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (HSS) with \u003cb\u003etitanium nitride (TiN)\u003c\/b\u003e coating, featuring \u003cb\u003eFLOWSTEP®\u003c\/b\u003e technology, which allows for a step-free transition between the different diameters of the drill bit.\u003c\/p\u003e\u003cp\u003eEach step incorporates a specially developed recess that guides the drill bit smoothly and controllably to the next diameter after passing through each step, achieving a noticeably quieter drilling process. The deeply ground spiral groove ensures smooth operation and clean chip evacuation, minimizing regrowing edges and cold welding. The cone at the end facilitates tool extraction when drilling sheet metal.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical specifications:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with TiN coating.\u003c\/p\u003e\u003cp\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/p\u003e\u003cp\u003eDeeply ground spiral groove.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling sheet metal and metal profiles in steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterial: high-speed steel (HSS) with titanium nitride (TiN) coating.\u003c\/li\u003e\n\n\u003cli\u003eFLOWSTEP® tip for a step-free transition between diameters.\u003c\/li\u003e\n\n\u003cli\u003eDeeply ground spiral groove, smooth and quiet operation.\u003c\/li\u003e\n\n\u003cli\u003eClean chip evacuation, like a conventional twist drill bit.\u003c\/li\u003e\n\n\u003cli\u003eThe cone facilitates extraction when drilling sheet metal.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815982895435,"sku":"A1161041010R101060T","price":378.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101060T-1.jpg?v=1791891138"},{"product_id":"ruko-broca-escalonada-s1-6-12-x-105-mm-7-pasos","title":"Ruko Step Drill Bit S1 (6-12 x 105 mm - 7 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-12.0 x 105 (7 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e S1\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-12.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 105\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 7\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ shank (mm)\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e) with \u003cb\u003eRUnaTEC\u003c\/b\u003e coating, with a \u003cb\u003eTurbo\u003c\/b\u003e tip that allows precise centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003eThanks to its cutting geometry, this drill bit combines the applications of several tools into one (\u003cb\u003e5 in 1\u003c\/b\u003e), reducing the number of tool changes and achieving a time saving of up to 75%. It is especially useful in hand drills in those situations where magnetic drills lose adhesion, and allows access to hard-to-reach areas, such as T-beams.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical features:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with RUnaTEC coating.\u003c\/p\u003e\u003cp\u003eTurbo tip for precise centering without a center punch.\u003c\/p\u003e\u003cp\u003eCombines several functions and tools into a single drill bit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling with a hand drill in hard-to-reach areas, such as T-beams, and where the magnetic drill loses adhesion.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eTurbo tip for precise centering, without the need for a center punch.\u003c\/li\u003e\n\n\u003cli\u003eCombines several applications and tools into a single drill bit (5 in 1).\u003c\/li\u003e\n\n\u003cli\u003eTime saving of up to 75% compared to the conventional method.\u003c\/li\u003e\n\n\u003cli\u003eIdeal for hand drills, where magnetic drills lose adhesion.\u003c\/li\u003e\n\n\u003cli\u003eReaches hard-to-reach areas, such as T-beams.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815987220811,"sku":"A1161041010R101082P","price":149.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101082P-1.jpg?v=1791891145"},{"product_id":"ruko-broca-escalonada-s1-6-20-x-120-mm-8-pasos","title":"Ruko Step Drill Bit S1 (6-20 x 120 mm - 8 steps)","description":"\u003cp\u003e\u003cb\u003eDimensions (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-20.0 x 120 (8 steps)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eSize (no.)\u003c\/b\u003e\u003cspan\u003e M2\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eØ (mm)\u003c\/b\u003e\u003cspan\u003e 6.0-20.0\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eOverall length (mm)\u003c\/b\u003e\u003cspan\u003e 120\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eNo. of steps\u003c\/b\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eShank Ø (mm)\u003c\/b\u003e\u003cspan\u003e 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStep drill bit made of high-speed steel (\u003cb\u003eHSS\u003c\/b\u003e) with \u003cb\u003eRUnaTEC\u003c\/b\u003e coating, with a \u003cb\u003eTurbo\u003c\/b\u003e tip that allows precise centering without the need for a center punch.\u003c\/p\u003e\u003cp\u003eThanks to its cutting geometry, this drill bit combines the applications of several tools into one (\u003cb\u003e5 in 1\u003c\/b\u003e), reducing the number of tool changes and achieving a time saving of up to 75%. It is especially useful in hand drills in those situations where magnetic drills lose adhesion, and allows access to hard-to-reach areas, such as T-beams.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTechnical features:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMaterial: high-speed steel (HSS) with RUnaTEC coating.\u003c\/p\u003e\u003cp\u003eTurbo tip for precise centering without a center punch.\u003c\/p\u003e\u003cp\u003eCombines several functions and tools into a single drill bit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eRecommended applications or uses:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eDrilling with a hand drill in hard-to-reach areas, such as T-beams, and where the magnetic drill loses adhesion.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eTurbo tip for precise centering, without the need for a center punch.\u003c\/li\u003e\n\n\u003cli\u003eCombines several applications and tools into a single drill bit (5 in 1).\u003c\/li\u003e\n\n\u003cli\u003eTime savings of up to 75% compared to the conventional method.\u003c\/li\u003e\n\n\u003cli\u003eIdeal for hand drills, where magnetic drills lose adhesion.\u003c\/li\u003e\n\n\u003cli\u003eReaches hard-to-reach areas, such as T-beams.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ruko","offers":[{"title":"Default Title","offer_id":58815991939403,"sku":"A1161041010R101083P","price":176.3,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/files\/A1161041010R101083P-1.jpg?v=1791891152"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/7842\/3883\/collections\/Imagen_de_ChatGPT_15_oct_2026_14_19_56.png?v=1792069582","url":"https:\/\/prodison.es\/en\/collections\/brocas-para-metal.oembed?page=35","provider":"Prodison.es","version":"1.0","type":"link"}