Structural Bolts ASTM F3125 Type 1, also known as HEAVY HEX STRUCTURAL BOLTS ASTM F3125 GR A325/A325M/A490/A490M TYPE 1, are robust fastening solutions provided by Ningbo Huizone Fastener Co. Ltd.

Proudly manufactured and exported from China, these bolts adhere to the ASME/ANSI B18.2.6 and B18.2.6M standards.

Available in sizes ranging from 1/2” to 1 1/2” (M12 - M36), these bolts are crafted from high-quality materials such as Carbon Steel and Alloy Steel. The ASTM F3125 Gr. A325, A325M, A490, A490M Type 1, ASTM A325, A490 Type 1, ASTM A325M 8S, and A490M 10S Type 1 grades ensure exceptional durability.

With versatile threading options (M, UNC, UNF) and a variety of finishes including Plain, Zinc Plated, Black Oxide, Nickel, Hot Dip Galvanized, and more, these bolts offer adaptability to diverse applications.

The packaging options, including bulk carton boxes, wooden pallets, and customized labeling, cater to the specific needs of our users.

Operating on trade terms like FOB, CIF, CNF, DDU, and DDP, our bolts serve markets in the Middle East, North & South America, Asia, and Europe. With a robust supply ability of 1200 tons per month, the minimum order quantity stands at 500Kgs per item.