Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled specifically for metal are manufactured to drill through various materials, ...
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 ¼", ...
Your steady hands can't match the accuracy of a drill press, and this jig drills perfectly angled holes without fail. When the need arises to "toe screw" a couple pieces of wood (join them at an angle ...
Suppose you need to modify an enclosure by drilling a hole in it to install a drain (or for some other purpose). How can you do this in a way that leaves a perfect hole with a minimum of work? First, ...
Drilling is one of the most complex machining processes. The chief characteristic that distinguishes it from other machining operations is the combined cutting and extrusion of metal at the chisel ...
Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: Diablo’s Impact Strong Step Drill Bits are a fast, convenient way to ...
Drilling in its broadest sense is any process that involves making a circular hole in a solid material or hard surface using a boring tool. With thousands of applications across industries, drilling ...
The new Cat ® MD6250 blasthole drill delivers optimum drilling efficiency in single- and multi-pass applications for both rotary and down-the-hole (DTH) modes. Featuring automated operation, the drill ...