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 ...

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 ...

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.

Twist drills do not make accurately sized or good finish holes; a reamer of some type is often used to cut the final size and finish. A reamer will not make the original hole; it will only enlarge a ...