A bench grinder is probably not a tool you’ll use every day. However, if it’s available and set up correctly, you’ll be surprised how often it comes in handy for everything from sharpening ...

And unlike some comparably priced grinders, the Porter Cable 8-inch bench grinder has a groove in the left-side tool rest that’s angled for sharpening drill bits.

Use this guide to discover the ins and outs of this versatile tool and find out how to use an angle grinder properly.

Do you have a drill bit that's too dull to use? You can sharpen it rather than replacing it if you have a bench grinder, but you'll have to be careful.