Tap & Drill Set, National Fine Thread, #10 X 32

#10 x 32, national fine thread, tap & drill set, carbon steel, ideal for routine maintenance, repair work & for rethreading where high accuracy & tolerance thread is not critical, 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, includes #21 drill bit.

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