Measurement Type Metric 10.00mm RHS / RHC HSS-CO 8% (M42) 135 Degree Split Point Cobalt Heavy Duty Screw Machine Drill - TiCN Cleveland List 2133-TC Cobalt Heavy-Duty Screw Machine Drills Tool Diameter 10 mm O.A.Length 89 mm Coating TiCN Decimal Equivalent 0.3937 inch Cutting Edge Material HSSCoPM Shank Type Round Cleveland Screw Machine