Cobalt steel extends cutting edge life and maintains cutting life after resharpening. 135° split point begins drilling immediately minimizing bit walk. Rubber overmolded case protects...
IRWIN Drill Bit Set, Cobalt Alloy Steel, Jobber, Fractional, 21-Piece (63221). Drill bits are made of M-42 5% Cobalt Alloy Steel high-speed steel for super...
IRWIN Drill Bit Set, Cobalt Alloy Steel, Jobber, Fractional, 21-Piece (63221). Drill bits are made of M-42 5% Cobalt Alloy Steel high-speed steel for super...
Constructed of M-35, 5% cobalt, high speed steel for super abrasive resistance and faster cutting than M2 in tough metals, the IRWIN Cobalt Metal Index...
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...