MAC TOOLS 21 PIECE COBALT DRILL BIT SET. For use on stainless steel, heat-treated steel, forgings, and chilled cast iron. 135° Heavy-duty split point is...
MAC TOOLS 29 PIECE COBALT GRADE DRILL BIT SET. Designed to drill through hardened steel and tough alloys more effectively than standard cobalt bits. Made...
115 PIECE PREMIUM QUALITY COBALT DRILL BIT SET. THESE ARE NOT COATED DRILL BITS. THE REAL McCOY COBALT DRILL BITS. CUTS CAST IRON-HEAT TREATED STEEL-STAINLESS...
115 PIECE PREMIUM QUALITY COBALT DRILL BIT SET. THESE ARE NOT COATED DRILL BITS. THE REAL McCOY COBALT DRILL BITS. CUTS CAST IRON-HEAT TREATED STEEL-STAINLESS...