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 ...

However, it is possible to resharpen and salvage those drill bits, as so long as you avoid these sharpening mistakes. Read more: 8 Hammer Types And When To Use Them First, depending on the bit ...

Our favorite model was the Drill Doctor 750X because it was easy to use on different drill bit types and sizes, worked fast, and sharpened many of our bits to better-than-new condition.