Irwin 8331 Thread Tap, 7 mm- 1 Thread, Plug Tap Thread, 4-Flute, HCS

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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 app lications such as routine maintenance, repair work and for rethreading where high accuracy and tolerance thread is not critical. Show more