... 4.Surface:Hot dipped Galv,Zinc yellow ,PTFE STUD BOLTS and U_BOLTS:1. Din 975, class 4.8, class 8.82 ... .Specification: ANSI B18.2.1, ANSI B18.2.6, DIN931 and DIN933.HEX NUTMaterial: ASTM A194 2H, ASTM A194 Gr.8 ... . 8MSpecification: ANSI B 18.2.2WASHER Flat washer and Spring WasherMaterial: Carbon Steel and Stainless Steel.Specification: ASTM F436, ANSI B 18 ...