Premium Solid Cobalt M42 Super High Speed Steel. 1/16″ 1/2″ in 1/64th Increments (Does not Skip any Sizes). High Heat Treated Hardness 68-70 HRC (Rockwell...
Craftsman 9-64085 Professional Cobalt Drill Bit Set, 21 Piece. 1/16-inch to 3/8-inch drill bit range. Includes plastic carrying case. Designed for heavy duty use in...
Drill America DWD115J-CO-SET Qualtech 115 Piece Cobalt Steel Jobber Length Drill Bit Set in Metal Case, Gold Oxide Finish, Round Shank, Spiral Flute, 135 Degrees...
Cobalt Drill Bit Set- 115Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed...
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...