Tools
Irwin 8144 Fractional Tap, 1/2 in. 13 Nc Thread, Plug Tap Thread, 4-Flute, HCS
$21.99
BBD
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.
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