Fractional Tap, National Fine Thread, 5/8-In. x 18 Floor Helix Is 31°ree

Helix Is 31&degree

zinc die cast tip with universal threads holds tools securely

delivers 1050 in lbs of power

Features a spring-loaded door that is easy to bait and set and quick to release

Fractional Tap, National Fine Thread, 5/8-In. x 18 Floor Helix Is 31&degree5 8" x 18, 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 37 64" drill bit.