Irwin Hanson 8012 Machine Screw Tap, 4-40 UNC Thread, Plug Tap Thread, 3-Flute, HCS

Description

Straight flutes are ground to provide rapid chip removal for efficient threading also for hand threading work in a variety of materials. Taps produce a class 2B thread. Used in applications such as routine maintenance, repair work and for rethreading where high accuracy and tolerance thread is not critical.