Irwin 8139 Hanson 7/16 Inch 14 National Coarse Tap

Key Features;Straight flutes are ground to provide rapid chip removal for efficient threading;Ideal for routine maintenance repair work and for rethreading;Taps produce a class 2B thread;Designed for hand threading work in a variety of materials;3 to 5 threads chamfered;Plug taps high carbon steel fractional size size=7/16-14 nc Four 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.