These bits are made from virgin hi-grade Cobalt M42 steel. Cobalt has a melting point of 2,723 degrees Fahrenheit! These bits will drill through the...
Set contains 29 m42 Cobalt Drill Bits sizes 1/16″ – 1/2″ x 1/64 increments. Cobalt Drills are effective in drilling tough, high tensile strength materials...
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...