Century Drill And Tool 1″ Cobalt S&D Drill Bit Size:1″ Beginning as a flat disk

Beginning as a flat disk of 99% pure aluminum spinning on lathes

Safe for turbos

Fits 1/4-Inch drivers and adapters

by replacing hard water minerals

Century Drill And Tool 1″ Cobalt S&D Drill Bit Size:1″ Beginning as a flat diskSilver & Deming style drill bits, 118 point. Made from M35 steel with 5% cobalt, Centurys Cobalt drill bits are designed to cut through extremely hard metals, including stainless steel. Polished finish for fast chip removal, keeping the bit cool and reducing wear. Cobalt steel will remain sharper while drilling large diameter holes in ferrous and non ferrous steels and other materials where large diameter holes are required. Reduced 1 2 shank fits all