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 average do-it-yourselfer hates to drill metal, especially steel. We don’t know how many questions readers have submitted and we’ve answered on that topic over the years. Even the most enthusiastic ...

Thread taps are an essential part of any mechanic’s toolbox-- mostly because, well, you will ruin some threads. Or, as is the case for YouTube user This Old Tony, you’re fabricating parts from scratch ...