#1-60 Cobalt Drill Set. Sizes: #1 – #60 (60 Sizes). Cobalt High Speed Steel. Recommended For Drilling High Tensile Materials Such As High-Strength Alloy Steels,...
Twist Drill Bit Set Durable Cobalt Stainless Steel Wood Metalworking Equipment. Material: M42 High Speed Steel. Cobalt: 8% High Cobalt. Blade: Three-edge cutter head design(Less...
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...