If you want to create perfectly round holes in wood, metal, or plastic, you’re going to need a hole saw. These cylindrical saws are powered by any corded or cordless drill, and their hollow shape ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Sometime late in high school—later than it should have been—I was swinging the hard ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you want to create perfectly round holes in wood, metal, or plastic, you’re going to need a hole saw.

You know we’re running this gigantic contest to build hardware and send someone to space, right? We’re doing community voting right now. If you’re on Hackaday.io, head over there and pick the best ...