Extra Long Drills 9/16 RHS / RHC HSS 118 Degree Notched Point Extra Length Drill - Steam Oxide Cle-Line List 1806 Extra Length Drills Cle-Line Shank Diameter 9/16 inch O.A.Length 12 inch Length Group Extra Long Measurement Type Inch Shank Type Round Cutting Edge Material HSS Decimal Equivalent 0.5625 inch