29 PIECE COBALT DRILL BIT SET W/CASE. Constructed of M-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals Cobalt steel...
Metal Drill Bits Cobalt Ø 1-13 mm Co-HSS Set 25 pcs (YT-41605). Material: HSS-E Co HS6-5-2-5. Application: for precise drilling of difficult materials, e. 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...
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...