... 4.8-12.9 grade Specification: Product NameBlack Plated Axle lock nut plating with blackBrandWDMaterialCarbon Steel (35#, 45#), Alloy steel (35crmo, ... grade Standard GB, BS, ANSI, JIS, DIN Surface treatment Zinc plated, Hot galvanizedColorZinc, YellowApplicable models ISUZU, TOYOTA, NISSAN, MITSUBISHI, HINO ... or samples.2. Non-standard product is available. Black Plated Axle lock nut plating with black