High-tensile Zinc plated silver D-bolts for BENZ 1.Material:40 Cr 2.Grade:10.9 3.Finish:Zinc coating 4.High-tensile ... of railway fastener,Collection of wind-driven fasteners,Collection of steel fasteners. 3.Truck Brands: Benz,Hino,Isuzu,Nissan,Renault, ... : 45# Steel(SAE 1045),40Cr(SAE 5140),35CrMo(SAE 4135),42CrMo. 5.Surface Protection: Black oxide,Protective oil,Phosphated,Zinc plated,Dacromet, Bake ...