Hole saws for metal: Why drill when you can saw?

Hole saws are the inexpensive alternatives to large drill bits. Here are a few tips to help get the most from your saw investment ... and to prevent you from destroying its cutting edge

by Dietmar Renfert-Dietermann

29 Jul 2020

When it comes to making circular holes in steel, drill bits tend to be the tool of choice. And it is pretty easy to see why — up to a certain size they are both cheap and precise. But for larger sizes the drill bit's cost becomes disproportionately expensive, and you also need to have a correspondingly large chuck and the appropriate power — the sort not found in most farm workshops.