Machine Screw Tap, National Course Thread, 4 X 40

Description

#4 x 40, national course thread, machine screw tap, carbon steel, ideal for routine maintenance, repair work & for rethreading where high accuracy & tolerance thread is not critical, straight flutes are ground to provide rapid chip removal for efficient threading, designed for hand threading work in a variety of materials taps produce a class 2b thread, use drill bit #43 or 5/64″.

Rethreading

SKU: 23118

UPC: 042526080128

Weight: 0.1

Package Width: 1.55

Package Length: 0.45

Package Height: 5.7

Model Number: 8012

Brand: Irwin