Century Drill & Tool 26220 5/16" Pro Grade Cobalt Drill Bit ytpromo SA-5 Cylindrical shape 1/2-inch by

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Century Drill & Tool 26220 5/16" Pro Grade Cobalt Drill Bit ytpromo SA-5 Cylindrical shape 1/2-inch byCentury Drill & Tool 26220 5 16" Pro Grade Cobalt Drill Bit Century Drill and Tool 5 16" Pro Grade Cobalt Drill #26220 Features Made from M42 steel with 8% cobalt, designed to be tough enough to cut through extremely hard metals, including stainless steel No Center Punch Needed! 135?? quick cut points are self centering and penetrate faster with less pressure. Will NOT walk or wander on surface Extremely heat resistant. MUST be used and operated in