Taper Shank Cutting Edge Material HSS 11/16 RHS / RHC HSS 118 Degree Radial Point General Purpose Taper Shank Drill - Steam Oxide Tool Diameter 11/16 inch O.A.Length 10 inch Shank Type 4MT Decimal Equivalent 0.6875 inch Coating Black Oxide Measurement Type Inch Cle-Line Cle-Line List 1894 General Purpose Taper Shank Drills