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 31/64" Flute length 2-3/16" Overall length 3-11/16" Package quantity/sold as each 5 Product Reviews Write a Review Write a Review × Clarkson-Osborn 31/64" Cobalt Stub Drill Bit DR12631 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR12831 #31 Cobalt Stub Drill Bit DR12831 MSRP: Now: $3.83 Add to Cart Clarkson-Osborn | sku: CLK DR12615 15/64" Cobalt Stub Drill Bit DR12615 MSRP: Now: $7.02 Add to Cart Clarkson-Osborn | sku: CLK DR12607 7/64" Cobalt Stub Drill Bit DR12607 MSRP: Now: $3.71 Add to Cart Clarkson-Osborn | sku: CLK DR12605 5/64" Cobalt Stub Drill Bit DR12605 MSRP: Now: $3.71 Add to Cart
Clarkson-Osborn | sku: CLK DR12615 15/64" Cobalt Stub Drill Bit DR12615 MSRP: Now: $7.02 Add to Cart Clarkson-Osborn | sku: CLK DR12607 7/64" Cobalt Stub Drill Bit DR12607 MSRP: Now: $3.71 Add to Cart Clarkson-Osborn | sku: CLK DR12605 5/64" Cobalt Stub Drill Bit DR12605 MSRP: Now: $3.71 Add to Cart
Clarkson-Osborn | sku: CLK DR12607 7/64" Cobalt Stub Drill Bit DR12607 MSRP: Now: $3.71 Add to Cart Clarkson-Osborn | sku: CLK DR12605 5/64" Cobalt Stub Drill Bit DR12605 MSRP: Now: $3.71 Add to Cart