Fractional Tap, National Fine Thread, 7/16-In. x 20 Pipes - PEX Polyethylene \/ PVC Auger threads aggressively cut through

Auger threads aggressively cut through wood

while the double-cut on the reverse side can be used for general filing and rapid stock removal

It ships with a snap chain

#110 body trap

This Door Bottom is made to be used with Saddle type thresholds

Fractional Tap, National Fine Thread, 7/16-In. x 20 Pipes - PEX Polyethylene \/ PVC Auger threads aggressively cut through7 16" x 20, national fine thread, fractional tap, 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, use 25 64" drill bit.