It’s become a common sight in manufacturing. An employee, needing to tap a hole in a metal part, reaches for a standard hand drill instead of the tool designed specifically for the job—a tapper.

The best tool for tapping precise holes in metal parts and workpieces is—not surprisingly—a dedicated tapper. For years, hole tappers have been the go-to power tool in metalworking and manufacturing ...

A cheap and effective ratcheting tap. Need to cut threads into a hole? A tool called a tap is what you need, and a hand-operated one like the one shown here to the side is both economical and ...

Ever been curious on how to fasten 3D printed parts together? There are lots of ways to do it — but what’s the best way? [Chris Lopez] works in a machine shop and decided to do some testing of how ...