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
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.
