Overview Reviews Product Description Cobalt taper shank drills offer increased hardness, toughness and better wear resistance compared to regular HSS Gold oxide surface fi nish provides a polished finish and prevents chip building, galling and welding on a workpiece 135° Notched point Made to fit American standard (Morse) taper shank holders Ideal for tough, high tensile strength steels and stainless steels Clarkson Osborn Catalog Product Videos Custom Field Diameter 1" Flute length 6-3/8" Overall length 11" MTS size #3 Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 1" x #3 Cobalt Morse Taper Drill Bit DR36100 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *