Machinist's Calculator

Calculator for Machinists and CNC Programmers

Tapping Drill Charts


This application will enable the user to quickly choose tapping drills.
Windows version
Machinist's Caclulator
Mobile version
Tapping drill charts

Machinist's Calculator for mobiles
Tap here for links to Machinist's Calculator for mobile devices.

This application opens ready to use the measuring system last used. If the metric system was used last, you'll be prompted to change to "Inch" for inch threads and vice versa. You may also use the "Inch" and "Metric" options to convert values shown between Inch and Metric measurements.

To download the free, fully functioning demo to your PC, go to the Machinist's Calculator web site on your Windows computer. Explore all of the Machinist's Calculator's time saving functions.You'll spend a lot less time leafing through reference books!