Angle grinders are one of those tools that capture our imagination from early on. The vibrant spray of sparks they […] The ...

First, you need a good, working bench grinder, of course. You also need a compatible wheel. Some users recommend the 60-grit aluminum oxide wheel when it comes to drill bits.

If not, another way to restore that cutting edge is to use a bench grinder. Bench grinders are one of the most high-maintenance power tools. They are also one of the most versatile.