... 2H/8/8F Product Description Product NameSTUD BOLT & U_BOLTS:1. Din 975, class 4.8, class 8.82. ... grade 5, ASTM A193 B73. Size: M16 to M100 or 1/2 "to 3"4. Length: 50mm to 4000mm ... ASTM A193 B7, B8, B8M.Specification: ANSI B18.2.1, ANSI B18.2.6, DIN931 and DIN933.HEX NUTMaterial ... and Spring WasherMaterial: Carbon Steel and Stainless Steel.Specification: ASTM F436, ANSI B 18.22.1, ANSI B18.21.1, DIN125 ...