Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials. Drill bits conform to DIN 338 standard overall length...
Chicago Latrobe M42 cobalt heavy duty jobber length drill bit set. High red hardness for extended wear life in high heat conditions. Applicable for aluminum,...
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...