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", ...
Diablo’s range of SDS-Plus and SDS-Max Rebar Demon 4-cutter full-carbide head hammer bits are the first full line of bits designed to be the strongest, most durable, and fastest solutions on the ...