Overview Reviews Product Description Cobalt stub 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 for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed The short flute and overall length provide maximum rigidity, hole accuracy, and tool life 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 3.4mm Flute length 20mm Overall length 52mm Package quantity/sold as each 10 Product Reviews Write a Review Write a Review × Clarkson-Osborn 3.4mm Cobalt Stub Drill Bit DR79034 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR82340 3.4mm HSS Stub Drill Bit DR82340 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR90340 3.4mm Cobalt Jobber Drill Bit DR90340 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR12701 "A" Cobalt Stub Drill Bit DR12701 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR79074 7.4mm Cobalt Stub Drill Bit DR79074 MSRP: Now: $0.00
Clarkson-Osborn | sku: CLK DR90340 3.4mm Cobalt Jobber Drill Bit DR90340 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR12701 "A" Cobalt Stub Drill Bit DR12701 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR79074 7.4mm Cobalt Stub Drill Bit DR79074 MSRP: Now: $0.00
Clarkson-Osborn | sku: CLK DR12701 "A" Cobalt Stub Drill Bit DR12701 MSRP: Now: $0.00 Clarkson-Osborn | sku: CLK DR79074 7.4mm Cobalt Stub Drill Bit DR79074 MSRP: Now: $0.00