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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 ...

I have tried to track down a 5" hole saw to make cutouts for 120mm fans. <P>The closest that I have been able to find is a 4.5" hole saw. Is this what you guys use? Would that work? <P>I have found ...

You've decided to build that bean bag toss game for your upcoming summer picnics, or maybe you want to make a great spray-paint-can holder shelf for your pegboard, or perhaps you want to make a ...

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ¼", ...

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 ...

Suppose you need to modify an enclosure by drilling a hole in it to install a drain (or for some other purpose). How can you do this in a way that leaves a perfect hole with a minimum of work? First, ...