Thread Pitch Charts

Thread series cover how diameter/pitch combinations are measured by the number of threads per inch (TPI). Get your free thread pitch charts here.

Pitch (mm) to Threads Per Inch Conversion Chart

Machinist Shop Manual & Charts, Decimal Equivalents, Thread Pitch US & Metric

ISO 724 - Metric Threads

Thread Data Charts-METRIC THREAD -- FINE PITCH -- M (30 mm - 64 mm)

Pitch Diameter Charts

UN imperial screw thread calculator

Thread Pitch: Threads That Don't Take Nuts – Hardware Everywhere

Thread Chart (Metric) Major and Minor Diameters

Basic Screw and Thread Terms

Thread Pitch Charts

US Threads Per Inch Table

Thread Pitch Chart: Imperial & Metric Tap & Drill Chart: Imperial & Metric, PDF, Cutting Tools