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Tapping is the process of cutting internal threads into a drilled hole by means of a special cutting tool known as a tap. Most of us who aspire to be home machinists have used taps even before we got into lathe work, yet tapping remains one of the most difficult skills for many HSMs to master.

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Particularly when working with small diameter taps such as 2-56 and soft materials such as aluminum, the risk of breaking a tap is always present. When a tap breaks off in workpiece into which you have invested hours or days of work, it is never a pleasant experience. It's enough to make a grown man cry!  

In this article you will learn several tips and techniques that will help you avoid this painful experience. While I can't guarantee that you'll never break another tap, I'm very confident that you will break fewer than you would have without this knowledge. ;-)

You will learn how to:

Skill Level:  Beginner/Intermediate

Topic Length: about 24 pages when printed

Tools Needed: