... hex nut 1.Material: medium carbon steel 2.Size:1/4"-2 1/2" 3.Finish:Zinc plated,H.D.G ... etc Products information: Heavy hex nut Standard: ASME/ANSI B18.2.2;Size: 1/4''–4’’; M6– M100Material: Carbon Steel, ... Steel, Stainless Steel, BrassGrade: ASTM A194 2, 2H, 4, 7, 7M,8, 8M; A563 Gr. A, C, DHThread: M, UNC, ... Steel, SS304, SS316Grade: SAE J995 Gr.2. 5, 8; A563 Gr. A,B,C,DH,A194 Gr.2H,2HM,4Class:4, 5, 6 ...