Heavy Hex Structural Bolts FYFasteners manufactures all the standard sizes in most ASTM, SAE and DIN specifications, including nonstandard dimensions. Standard ASME/ANSI, DIN, ISO, JIS, BS standard/non-standard sizes Material Carbon steel, stainless steel, alloy steel etc Grade CL4.8, 5.8, 6.8, 8.8, 10.9, 12.9, SAE J429 Gr.2, 5,8, ASTM A307Gr.A Finish Plain, black oxide, (clear/yellow/blue)zinc plated, H.D.G, nickel, chrome etc Package Bulk in cartons+ wood solid pallet or custom packing Delivery time Flexible upon order qty, normally within 30-40 days Payment T/T, L/C, Western Union etc Trade term FOB, CIF, CFR, EXW, DDP, DDU etc Nickel plated gr 8 Heavy Hex Structural Bolts, A 307 Heavy Hex Bolts, standard Heavy hex sizes for bolts can be used for many different applications such as Tower and Pole, Oil and Gas, Furniture and Decoration, Highway Guardrail, Mechanical Machine, High-Speed Rail and train, Solar Energy.