Taper Shank Cutting Edge Material HSS 45/64 RHS / RHC HSS 118 Degree Radial Point General Purpose Taper Shank Drill - Steam Oxide Tool Diameter 45/64 inch O.A.Length 9-1/2 inch Shank Type 5MT Decimal Equivalent 0.7031 inch Coating Black Oxide Measurement Type Inch Cle-Line Cle-Line List 1894 General Purpose Taper Shank Drills