16.50mm RHS / RHC HSS 118 Degree Split Point Silver & Deming Holemaking/Drilling/HSS/Co Drills/Reduced Shank Drill - Steam Oxide Cle-Line List 1877M Silver & Deming Holemaking/Drilling/HSS/Co Drills/Reduced Shank Drills Tool Diameter 16.5 mm O.A.Length 152.4 mm Measurement Type Metric Decimal Equivalent 0.6496 inch Coating Black Oxide Cutting Edge Material HSS Shank Type Round Cle-Line Holemaking/Drilling/HSS/Co Drills/Reduced Shank