The Hand Drill method of friction fire making is about as raw as it gets. You spin a wooden drill against a wood board with your bare hands. This method has had one of the widest distributions on ...

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ¼", ...

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled ...