What are screw thread sizes?

Measuring your screw thread helps you determine the correct screw size you need. Check out our quick guide on how to determine your screw thread size.
A guide to measuring your screws correctly.

Everything you wanted to know about taps but were afraid to ask, styles of taps, class of thread , gh numbers , basic point in thread measurement , constants for finding pitch

Everything You Wanted To Know About Taps But Were Afraid To, 40% OFF

ANSI External Screw Threads Size Tolerances Chart

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1 1/2 - 2 2/3 Single Lead Stub Acme