HCS Machine Screw Bottoming Tap - 3-56 NF
High carbon steel construction is ideal for routine maintenance, repair work and for re-threading where high accuracy and 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.Made in USA.# of flutes - 3.
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