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.
IRWIN 8312 Thread Tap, 3 mm- 0.5 Thread, Plug Tap Thread, 3-Flute, HCS
IRWIN 8318 Thread Tap, 4 mm- 0.75 Thread, Plug Tap Thread, 4-Flute, HCS
IRWIN 8323 Thread Tap, 5 mm- 0.9 Thread, Plug Tap Thread, 4-Flute, HCS
IRWIN 8331 Thread Tap, 7 mm- 1 Thread, Plug Tap Thread, 4-Flute, HCS