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 8.9mm Flute length 81mm Overall length 125mm Package quantity/sold as each 5 Product Reviews Write a Review Write a Review × Clarkson-Osborn 8.9mm Cobalt Jobber Drill Bit DR90890 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR11689 8.9mm Cobalt Parabolic Flute Jobber Drill Bit DR11689 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR11889 8.9mm TiN Coated Cobalt Parabolic Flute Jobber Drill Bit DR11889 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR79089 8.9mm Cobalt Stub Drill Bit DR79089 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK SC03890 8.9mm Solid Carbide Jobber Drill Bit SC03890 MSRP: Now: $0.00
Clarkson-Osborn | sku: CLK DR11889 8.9mm TiN Coated Cobalt Parabolic Flute Jobber Drill Bit DR11889 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR79089 8.9mm Cobalt Stub Drill Bit DR79089 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK SC03890 8.9mm Solid Carbide Jobber Drill Bit SC03890 MSRP: Now: $0.00
Clarkson-Osborn | sku: CLK DR79089 8.9mm Cobalt Stub Drill Bit DR79089 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK SC03890 8.9mm Solid Carbide Jobber Drill Bit SC03890 MSRP: Now: $0.00