A drill bit is a rotary cutting tool that makes holes. The point of the bit contacts the material you're drilling into, while the shank — the back end — is clamped in place by the jaws of a ...
twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ¼", twist drill bits will require extra pressure, lots of lubrication for cooling and some ...
Discover some of the best hole saw kits for DIYers and pros as you read this buyer's guide. Find the best hole saw kit for ...