DWD115J-CO-SET 115 Piece M35 Cobalt Drill Bit Set (1/16″-1/2″, A-Z, #1-#60), DWDCO Series. Cobalt steel tools are similar to high-speed steel, but with more cobalt...
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...