Irwin 8012 Machine Screw Tap, #4-40 NC Thread, Plug Tap Thread, 3-Flute, HCS

Straight flutes are ground to provide rapid chip removal for efficient threading, 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.

• Ideal for routine maintenance, repair work and for rethreading
• Ideal for routine maintenance, repair work and for rethreading
• 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
• 3 to 5 threads chamfered