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 4.5mm Flute length 47mm Overall length 80mm Package quantity/sold as each 10 Product Reviews Write a Review Write a Review × Clarkson-Osborn 4.5mm Cobalt Jobber Drill Bit DR90450 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR11645 4.5mm Cobalt Parabolic Flute Jobber Drill Bit DR11645 MSRP: Now: $9.65 Add to Cart Clarkson-Osborn | sku: CLK DR11845 4.5mm TiN Coated Cobalt Parabolic Flute Jobber Drill Bit DR11845 MSRP: Now: $10.94 Add to Cart Clarkson-Osborn | sku: CLK DR09101 "A" Cobalt Jobber Drill Bit DR09101 MSRP: Now: $9.14 Add to Cart Clarkson-Osborn | sku: CLK DR79045 4.5mm Cobalt Stub Drill Bit DR79045 MSRP: Now: $6.18 Add to Cart
Clarkson-Osborn | sku: CLK DR11845 4.5mm TiN Coated Cobalt Parabolic Flute Jobber Drill Bit DR11845 MSRP: Now: $10.94 Add to Cart Clarkson-Osborn | sku: CLK DR09101 "A" Cobalt Jobber Drill Bit DR09101 MSRP: Now: $9.14 Add to Cart Clarkson-Osborn | sku: CLK DR79045 4.5mm Cobalt Stub Drill Bit DR79045 MSRP: Now: $6.18 Add to Cart
Clarkson-Osborn | sku: CLK DR09101 "A" Cobalt Jobber Drill Bit DR09101 MSRP: Now: $9.14 Add to Cart Clarkson-Osborn | sku: CLK DR79045 4.5mm Cobalt Stub Drill Bit DR79045 MSRP: Now: $6.18 Add to Cart