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Free Tap Speeds and Feeds CalculatorThreads per inch TPI
Spindle Speed: RPM
Feed Rate: IPM
What RPM Should I Use?
That depends upon the material you're trying to tap. For a more sophisticated calculator that will figure that out for you as well as help you find the right TPI value and work in Metric, keep reading!
Pro Power Tap Feeds and Speeds Calculator
Quick and dirty calculators like the one above are what you see most often on the web, but most machinists and CNC'ers need more than they can offer. That's why we make the G-Wizard Calculator, a serious power tool for folks like you.
Here's what G-Wizard's Tap Speeds and Feeds Calculator looks like:
G-Wizard Tap Feeds and Speeds Calculator...
- Handles both Form and Cut Taps
- Large Material Database
- Tortoise-Hare slider for pinpoint control in difficult materials
- Metric and Imperial units
Extensive Thread Database:
Extensive Thread Database...
The thread database includes tapping drill size recommendations with thread percentages for both cutting and form taps.
Our G-Wizard Calculator includes this powerful Tap Speeds and Feeds Calculator and a whole lot more. Try this more powerful calculator (and much more) just by signing up for our 30-day trial. That's right--most of the calculators can still be used after the trial expires.
To sign up, simply visit the G-Wizard page or click this button:
Need to Program Tapping on a CNC?
We've got you covered with this great article on tapping g-code. It even includes information on our easy Conversational CNC Wizard for tapping.
Do you want to be a better CNC'er?
Get Better Tool Life, Surface Finish, and Material Removal Rates.