An image of a man grinding a drill bit on a bench grinder - Best_Stocker/Shutterstock We may receive a commission on purchases made from links. If you're a ...

A collection of woodworking drill bits ready to be sharpened - Vladyslav Varshavskiy/Getty Images The tool has a ⅓-horsepower motor driving two grinding wheels at up to 3450 rpm. The wheels have a ...