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 ...

Try this simple but effective arc drill from Tom McKibbin to keep your clubface square through impact and promote solid, ...

Bosch Power Tools unveiled two masonry products, including the new Bulldog Xtreme8™ 8-cutter SDS-plus concrete drill bit, a ...

Four times the holes, four times the trouble. With the fate of repetitive motion injury looming due to the need to drill 1,200 holes ... done without a lathe. The tool is quite complex, with ...