CLE-LINE 115-Pack Cobalt Twist Drill Bit Set. Split-point is self centering, for reduced thrust and easier penetration. Set is designed to drill tough, high tensile...
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...
Cobalt Metal Drill Bit Set Hard Steel Titanium Drill Press Helix Twist 29-Piece. Bosch cobalt drill bits are specially designed for drilling in hard steel....
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...