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.
What are screw thread sizes?
D&CG: LESSON 7. Threads nomenclature, profiles, multi start, left and right hand and conventional representation of threads
Bolt Size Chart, UNF Bolts, UNC Bolts
Introduction to Nut and Bolt Sizes
What is the difference between metric and standard fasteners?
Screw Thread Terminology - Knowledge Base - Kelston Actuation
RSVP Tooling, Inc. - Axial Thread Rolling System - Metric Screw Threads M Profile - 1.50 to 6.00 Pitch
Screw thread - Wikipedia
Thread Sizes (Dimensions) Explained - Imperial & Metric Thread Sizes Chart
A guide to machine screws