Introducing our New and Improved Website

We have invested thousands of dollars to develop one of the most comprehensive machine tooling resources on the internet.  We have accumulated more than 170 videos on topics on a wide variety of drilling topics, issues, and latest challenges.   All of these topics are very easy to find with a new search engine feature.  Having issues? Need to figure out the right speeds and feeds?  Need important reference information.  Be sure to bookmark our website as an important resource.

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Directions for Use

  1. Enter your data parameters into the fields on the left
  2. Click the green arrow in the center of the calculator
  3. Your answers will appear in the fields on the right
-- change calculator using buttons below -- Tap Drill MM Tap Drill RPM SFPM Helix Angle

Tap Drill Size

MM Tap Drill



Helix Angle