Heavy Hex Bolts Product Introduction: Heavy Hex Bolts have larger and thicker heads than regular or standard hex bolts.They are designed for use in a variety of high temperature, high strength industrial applications that include steel fabrication, pumps and water treatment, construction of railroad systems, and other construction projects such as bridges, highway structures and metal buildings etc. FYFasteners provides all the standard sizes in most ASTM, SAE and DIN specifications, including nonstandard dimensions. Nickel plated a 307 Heavy Hex Bolts and stainless steel 5.8 Bolts can be used for many different applications such as Tower & Pole, Oil & Gas, Furniture & Decoration, Highway Guardrail, Mechanical Machine, High-Speed Rail & Train, Solar Energy, Metal Building etc. 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