Cutting Tools 101: The Basics of Drilling Part One

Several customers approached Tom and asked that we get back to basics and focus on the core principles of basic machining concepts.  Over the next couple of weeks we are going to explore some basic cutting tool fundamentals that will help you execute on any machining application. This week we discuss the basics of drilling — design, margin, size fundamentals.  This series will not only benefit some of the rookies in your engineering or machining areas, but will also help refresh even the most experienced of machinists and engineers.

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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