About Heavy Hex Bolts

Heavy Hex Bolts are essential fasteners widely used in construction, automobile, and engineering industries. These bolts are designed for docks, bridges, highways, and residential projects, ensuring high durability and secure fastening. Available in various sizes, materials, and coatings, they are manufactured to meet industry standards and specific customer requirements.

Heavy Hex Bolts Specifications

Heavy Hex Bolts comply with multiple international standards, including EU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, and SAE. They are available in metric sizes ranging from M2 to M160 and lengths between 3/8 inch to 8 inches.

The manufacturing materials include high tensile steel, carbon steel, stainless steel, Inconel, Incoloy, Hastelloy, Monel, silicon bronze, phosphor bronze, aluminium bronze, nickel, brass, copper, copper-nickel, nitronic, and nimonic.

Various coating options are available to enhance durability and performance, such as PTFE coating, hot-dip galvanization, yellow zinc plating, blue zinc plating, black zinc plating, zinc cobalt plating, aluminium zinc flake coating, black phosphate coating, standard zinc plating, and nickel plating.

For high-strength applications, Heavy Hex Bolts are available in high tensile grades like 8.8, 10.9, 12.9, and 14.9. They are manufactured through hot forging and cold forging processes and come in different types, including fully threaded, partially threaded, metric, and imperial variants.

Heavy Hex Bolts Sizes & Standards

Heavy Hex Bolts are designed to meet diverse industrial requirements and conform to standards such as ASME B18.2.1, BS 1769, ASME B18.2.3.6M, ASME B18.2.3.7M, DIN 6914, ISO 7412, UNI 5712, and DIN-EN 14399-4. The available size range varies by standard, with options from 3/8 inch to 3 inches in imperial measurements and M12 to M36 in metric measurements.

Heavy Hex Bolts Materials & Grades

Heavy Hex Bolts are available in a variety of materials to suit different industrial applications. Stainless steel grades include ASTM / ASME SA 312 GR. TP 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316LN, 317, 317L, 321, 321H, 347, 347H, and 904L.

For high-strength and corrosion-resistant applications, duplex steel grades such as UNS NO S 31803, S 32205, S 32550, S 32750, and S 32760 are available. Carbon steel options include ASTM / ASME A 335 GRP 1, P 5, P 9, P 11, P 12, P 22, P 23, and P 91, while alloy steel options include ASTM / ASME A/SA 193 / 194 – B 6, B 7, B 7M, B 16, 2, 2HM, 2H, GR 6, and B 7M.

For industries requiring extreme durability and resistance to harsh environments, nickel alloys such as Nickel 200 and 201 are available. Hastelloy variants include C-22, C-276, C-2000, C-4, X, B, N, and G, while Inconel materials such as 600, 601, 625, 625LCF, 686, 718, 800, 825, X-750, 690, 602, 617, 925, A-289, AL-6XN, and AL-904L provide excellent strength and resistance to high temperatures.

Heavy Hex Bolts are known for their high durability, precision engineering, and reliability, making them a vital component in various industrial and construction applications.