Drilling through metal can be somewhat intimidating for beginners, but there’s nothing to worry about. It’s just as easy as ...

So it’s always a joy to pick up a new trick, especially one as simple as putting a hardened edge on mild steel using a drill bit as a filler rod. This tip comes to us by way of [Jody], aka ...

Are the materials in question soft or hard? Depending on the answer, you can choose the category of drill bit you ... High-speed steel is standard for most bits and can cut through most common ...

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 ...

It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel ... for larger drill bits, but the ...