Irwin® 29-pc Cobalt M-35 Metal Index Drill Bit Sets Constructed of M-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals....
The HSS Twist Drill Bit Cobalt provides long-lasting performance when drilling stainless steel. This extended lifetime results from a cobalt alloy content of 5% and...
If You Are a Remodeler, Then This Drill Bit Set Is Your Indispensable Work Assistant. It Is Constructed from High-quality 4241 Cobalt Steel to Ensure...
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...