Titanium and Cobalt Construction: The drill bits in these sets are constructed from high-speed steel with either a titanium or cobalt coating, enhancing their durability...
Milwaukee RED HELIX Cobalt Drill Bit Set 29PC. The MILWAUKEE® RED HELIXT 29PC Cobalt Drill Bit Set is engineered for extreme durability and long life...
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...