Lock Nut, Finish NL-19, Material Stainless Steel, Material Grade/Class 18-8, Thread Size M5x 0.80, Hex Width 18 mm, Hex Height 13 mm, Lock Type Serrated, Dimensional Standards DIN 6923, Material Quality Standards ASTM B 18.2. 2, System of Measurement Metric, Hex Type Flange Hex, Thread Direction Right Hand, Flange Diameter 18 mm, Flange Thickness 2 mm, Insert Material Stainless Steel, Pack Size Small Pack, Package Quantity 25. This item has been restricted from sale in the following state (s): []