In this video, I am transforming a rusty drill bit into a butterfly knife, also known as a balisong, which is a type of folding pocketknife from the Philippines. The project involves forging the bit ...

Breaking a stud or a bolt is a pretty common shop catastrophe, but one for which a fair number of solutions exist. Drill it out, shoot in an extractor, or if you’re lucky, clamp on some Vise-Grips and ...

1 - The Modding Toolbox: A Guide to Drill Bits 2 - Speciality Bits: Centre Drills and Countersinks 3 - Big Holes: Stepped Drills and Hole Saws Next Hello everybody, and welcome to what I hope will ...

Drilling is one of the most complex machining processes. The chief characteristic that distinguishes it from other machining operations is the combined cutting and extrusion of metal at the chisel ...