Drill bits are primarily used for creating circular holes in materials from drywall and wood to metal and masonry. They might create a hole for an anchor or fastener, or a passage to feed wiring.

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 ...

Watch as a blacksmith transforms wood drill bits into a sharp and durable knife, showcasing every step of the forging process from start to finish. #knifesharpening #sharp #metal Saquon Barkley ...