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 ...

[Saeid Momtahan] made a couple of attachments that let him use his angle grinder as a bench grinder. It may be better to refer to it as a bench motor, as he uses both a grinding wheel and a wire brush ...

BestReviews is reader-supported and may earn an affiliate commission. Details. This is an archived article and the information in the article may be outdated. Please look at the time stamp on the ...