How to Choose the Right Drill Bit for Tapping

Learn how to select the correct drill bit size for tapping with this simple guide.

56 views

To choose a drill bit for a tap, check the material and size needed for the threaded hole. Use a tap drill chart to match the tap size with the correct drill bit size. For example, a 1/4-20 tap requires a #7 drill bit. Ensuring the correct size prevents thread damage and ensures a proper fit.

FAQs & Answers

  1. What size drill bit do I need for a 1/4-20 tap? You need a #7 drill bit for a 1/4-20 tap.
  2. Why is the right drill bit size important? Using the correct drill bit size prevents thread damage and ensures a proper fit for the tap.
  3. How can I find a tap drill chart? Tap drill charts can be found online or in tap and die sets, providing sizes for various taps.