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

Helix Is 31&degree

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

Very Fine 220 Grit

zinc die cast tip with universal threads holds tools securely

delivers 1050 in lbs of power

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.