How to fix a rough surface finish on drilling applications

Inspection getting on you for rough surface finish on some of your parts?  Surface finish is a common problem with not so simple solutions. In the latest installment of our troubleshooting series, Tom Greene discusses a number of potential ways you can troubleshoot and fix your drilling application to avoid a rough surface finish.  Visit our troubleshooting guide on our website for more detail on this and other subjects.

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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