Sharpening your dull drill bits to bring them back to life is essential to ensure the longevity of your tool, as well as to make sure it functions as it's intended. And while you can sharpen your ...

Sharpening is a matter ... When the two flanks that make a drill's point are cut at the same angle, these goals amount to the same thing. You can use a drill guide to ensure the correct angle ...

The geometry needed for these multiple functions is incorporated into the design of the twist drill in such a manner that it can be retained even after repeated sharpening operations. Twist drills are ...