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...
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...
For drilling at higher speeds in tougher drilling conditions. Feature 135° split points for easier drill starting without the need for center punching. Heavy duty...
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...