Metric Conversion Tool

With this tool, you can convert back and forth between MM’s and Inches. Includes a history and MM chart window.

Three-Wire Thread Measuring Calculator

Three-Wire Thread Measuring Calculator: Javascript simple

The three wire method, is a way to measure the Pitch Diameter of threads with wire and a set of calipers. Use this calculator instead of hunting down a piece of scrap paper. Includes five different thread types and the formulas for calculation.

Drill Chart

Our brand new Drill Chart. Free to download, print, and re-distribute free of changes. Complete with Inch, Metric drill sizes, and Tap Drill Charts.


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