Overview Reviews Product Description Cobalt 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 Taper length drills have the same flute length as taper shank drills for deeper hole drilling 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 #60 Flute length 1-1/8" Overall length 2-1/4" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn #60 Cobalt Taper Length Drill Bit DR29260 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *