9/16" Cobalt Drill Bit Electrical Supplies Self feeding screw point aggressively

Self feeding screw point aggressively pulls bit into wood for fast

Complete finish for doors

Elegant and functional

Frizz-free blowouts

9/16" Cobalt Drill Bit Electrical Supplies Self feeding screw point aggressivelyBenchmark Cobalt drill bits are constructed with premium M35 steel with 5% cobalt and ground from solid steel for maximum performance. Unique 3 cutting edges provide superior performance versus 135 degree split point. The third flute distributes cutting work more evenly and decreases pressure on each cutting edge. Cobalt bits are able to cut through the most hardened metals, including bronze, cast iron and stainless steel. 3 precision cutting edges