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 ...

Most DIYers will use a drill bit set to make small holes in steel, wood, and plastic — nothing more. However, several other bit types can do many jobs on many materials, provided you choose the right ...

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 ...