DeWalt, a leading manufacturer of high-quality power tools, today announced the launch of […] The post DeWalt Launches ...

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 ...

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.

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 ...