Overview Reviews Product Description Cobalt jobber drills offer increased hardness, toughness and better wear resistance compared to regular HSS Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force Cobalt drills are suitable for harder material including alloy steels, stainless steel and other difficult to drill materials Clarkson Osborn Catalog Product Videos Custom Field Diameter 3.1mm Flute length 36mm Overall length 65mm Package quantity/sold as each 10 Product Reviews Write a Review Write a Review × Clarkson-Osborn 3.1mm Cobalt Jobber Drill Bit DR90310 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR11631 3.1mm Cobalt Parabolic Flute Jobber Drill Bit DR11631 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR11831 3.1mm TiN Coated Cobalt Parabolic Flute Jobber Drill Bit DR11831 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR79031 3.1mm Cobalt Stub Drill Bit DR79031 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK SC03310 3.1mm Solid Carbide Jobber Drill Bit SC03310 MSRP: Now: $0.00
Clarkson-Osborn | sku: CLK DR11831 3.1mm TiN Coated Cobalt Parabolic Flute Jobber Drill Bit DR11831 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR79031 3.1mm Cobalt Stub Drill Bit DR79031 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK SC03310 3.1mm Solid Carbide Jobber Drill Bit SC03310 MSRP: Now: $0.00
Clarkson-Osborn | sku: CLK DR79031 3.1mm Cobalt Stub Drill Bit DR79031 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK SC03310 3.1mm Solid Carbide Jobber Drill Bit SC03310 MSRP: Now: $0.00