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 drill bit without reacting with the brass.

Working with hard metals requires the best cobalt drill bits. We tested top picks to see which bits could bore through the toughest metals. Check out our reviews and discover which one came out on top ...

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 ...

Red Metal’s first scout diamond drill hole at its Bluebush silver-lead-zinc prospect in northwest Queensland has delivered ...

Hougen Manufacturing has introduced the HMD2X2 low-profile magnetic drill for use in confined spaces or general metal ...

Lincoln Minerals is re-assaying historic core aiming to uncover new base metal potential in South Australia after it was only ...

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 ...

Add articles to your saved list and come back to them any time. Red Metal’s first scout diamond drill hole at its Bluebush silver-lead-zinc prospect in northwest Queensland has pointed the ...