Raptor Cutting Tools Inc.

(877) 727-2888

(905) 669-0992

MONDAY - FRIDAY
7:30AM - 4:30PM

Threading Internal Holes

Creating External Threads

Types of Taps


Tap / Drill Selection Guide

Machine Screw, Fractional and Metric

Pipe Tap Sizes


Tap Drill Hole Size


Tap Drill Hole Size


Tap Terminology, Illustrations