We may receive a commission on purchases made from links. You can tell a dull drill bit more or less immediately. If you're drilling wood, you'll likely see thin wisps of smoke as it starts to burn.

Dull drill bits are not usually a type of tool that's worth buying used, unless you can sharpen them yourself. Many companies that sharpen drill bits use precision grinding machines, but there are ...

I've been thinking about buying one of these but I don't know if they are just a gimmick. Also, if they genuinely work well how good do your bits need to be in the first place to be worth sharpening?

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › If your drill bits no longer work like they used to, a drill bit sharpener can bring ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Drills and drill bits are an essential part of every handyman's toolkit, and for good ...