Century Drill And Tool 1″ Cobalt S&D Drill Bit Gaskets & Sealants Single concave flute design creates

Single concave flute design creates perfectly round holes in thin materials including steel

Kills on contact

Thumb rest

Does Not Run Or Sag

Previously Finished Surfaces: Surface should be sanded to remove imperfections and gloss

Century Drill And Tool 1″ Cobalt S&D Drill Bit Gaskets & Sealants Single concave flute design createsSilver & 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