New Irwin Tools 3018002 Cobalt M-35 Metal Index Drill Bit Set, 29 Piece. Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling...
Drillco 1000C Series 32 Piece Cobalt Steel Reduced Shank Drill Bit Set, Black. Cobalt steel tools are similar to high-speed steel, but with more cobalt...
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...