1.Item:ANSI, B 18 2.2 hex thin nut 2 ... .Thickness:Thin nut Stainless steel A2-70 ANSI, B 18 2.2 hex thin nutProducts Details: Products ... B 18 2.2 Size: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 3/4, 7/8, 1, 1-1 ... /4, 1-1/2 Material: Stainless steel A2-70 Finish: zinc, ... must have sufficient space for operation. • Classification criterias:(1).Shape:hexagonal socket nut and hex nut (2). ...