Cutting Tools 101: How does a Tap work?

Welcome to part two of our series on Cutting Tool basics.  This week Tom Greene discusses the fundamental concepts behind tapping.  Specifically, the purpose, calculations, and tips behind one of the most common cutting tools in machining. While this is may be designed for newer engineers and machinists, it never hurts even the most chiseled of veterans to get refreshed on these concepts.

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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