Ruko 2-Piece Hand Tap Set UNF ~ DIN 2181 HSS with UNF thread No. 3 x 56

Dimensions UNF No. 3 x 56
Thread type American UNF (fine)
Thread diameter (in) No. 3
Threads/in 56
Pre-drill diameter (mm) 2.15
Overall length (mm) 32
Thread length (mm) 10

Hand tap made of high-speed steel (HSS), with American UNF thread (fine pitch), for hand-tapping mild and low-alloy steel, malleable cast iron, and non-ferrous metals.

Tapping is completed in two operations (spiral point tap and finishing tap), also available separately.

Technical specifications:

Material: high-speed steel (HSS).

American UNF thread (fine pitch).

Tapping is completed in two successive operations.

Recommended applications or uses:

Hand-tapping UNF threads in mild and low-alloy steel, malleable cast iron, and non-ferrous metals.

• Material: high-speed steel (HSS).
• American UNF thread (fine pitch).
• Tapping is completed in two operations (spiral point and finishing taps).
• Suitable for mild and low-alloy steel, malleable cast iron, and non-ferrous metals.
• Also available as individual pieces.