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 ...

It’s often said that you don’t need a drill bit; what you need is a hole. How you make that hole is up to you, but it’s a given that you want to make it as efficiently as possible. The drill bit, ...

We may receive a commission on purchases made from links. Drill bits come in a startlingly wide array of sizes, shapes, and job-specific types. Most DIYers and repairers will be familiar with the ...