Sharpening a regular drill bit can be done by hand or with a bench ... made for metal attached to an angle grinder. Secure the machine to a workbench with a bracket, turn it on, and carefully ...

He didn’t have the necessary tools available, like a drill, so he fashioned one himself out of a pencil sharpener and some ... mechanism that is probably a bit more refined.

Sharpening your dull drill bits to bring them back to life is essential ... Effectively, dull drill bits may shorten the lifespan of your machine. And whether you'd like to admit it or not ...