Taps and dies are great for cutting new threads or repairing old threads on metals, plastics and other hard materials. Taps cut threads on the inside of holes and dies cut threads on the outside of ...

A few years ago, engineers and management at Emuge Corp., a leading maker of taps, drills, and other rotary tools, decided it needed a new tool for forming helical threads in lightweight metals and ...

The strength of some internal threads is more sensitive to tap diameter than previously thought. • Cold-formed threads are no stronger than cut threads when holes are correctly sized. • Cut threads ...