IRWIN Drill Bit Set, Cobalt, Jobber, Fractional, 21-Piece (63221). Drill bits are made of M-42 5% cobalt high-speed steel for super abrasive resistance in tough...
The MILWAUKEE RED HELIX Cobalt 23 Piece Drill Bit Set is engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt...
IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002). Cobalt Drill Bit Set. Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split...
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...