Century Drill And Tool 10 Piece Pro Grade Cobalt Drill Bit Set

Set includes 1/16″ to 1/4″ by 64ths drill bitsMade from M35 steel with 5% cobalt, Century’s Cobalt drill bits are designed to cut through extremely hard metals, including stainless steelNo center punch needed: Century 135-degree quick-cut points are self-centering and penetrate faster with less pressure…will not “walk” or “wander” at the starting surfaceExtremely heat resistant, must be used and operated in power units that have a RPM speed of 1,500 or more for maximum efficiencyMade in the U.S.A.