Set includes 1/16″ through 1/2″ by 64ths 8% Cobalt fractional drill bits with metal index. 8% Cobalt drill bits are made of heat resistant, heavy-duty,...
Set contains 29 m42 Cobalt Drill Bits sizes 1/16″ – 1/2″ x 1/64 increments. Cobalt Drills are effective in drilling tough, high tensile strength materials...
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....
Add to Favorite Sellers. Sign up to Newsletter. DEWALT DD4069 Cobalt Fractional Jobber Drill Set, 29 Piece. Although it’s a popular concept in the media,...
ADVANCED HELICAL FLUTE COBALT DRILL BITS SET. Designed to drill through hardened steel and tough alloys more effectively than standard cobalt bits. Made from M35...
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Fully ground HSS with 5% Cobalt makes these ideal for drilling extra hard materials. 135° Split point tip enables bits to bite workpiece quickly reducing...
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...