When building a tool arsenal for at-home or professional use, it's relatively easy to keep the big stuff in mind. The larger, more prominent tools of the trade tend to come first, and if you know ...

A drill bit is what actually cuts into the rock when drilling an oil or gas well. Located at the tip of the drillstring, below the drill collar and the drill pipe, the drill bit is a rotating ...

But when a drill bit breaks off flush in a hole, there aren’t a lot of options, especially for a small bit. If the stars align, though, you may follow this video guide to dissolve the drill bit ...

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 ...