Drew sommerfeld on MSN
Why annular cutters beat standard drill bits for sheet metal
In this video I show why I reach for an annular cutter instead of a traditional twist drill when I need clean holes in sheet ...
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", ...
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