Most chisels and other cutting tools are made of tempered steel. If the steel gets too hot and turns bluish black, it’s overheated and won’t hold an edge very long. To avoid ruining the edge of a tool ...

An angle grinder is one of the most widely-used power tools, in part because it’s fun to use and in part because it’s so effective at removing material. Unfortunately, among power tools, it’s also ...

Bench grinders aren’t for everyone. Some of us still like to keep our tools sharp by hand with grinding stones and metal files. We’re new to the bench grinder market, because that’s how we did things, ...