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 1-5/8" Flute length 10" Overall length 17" MTS size #5 Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 1-5/8" x #5 Cobalt Morse Taper Drill Bit DR36140 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *