Import A490m Heavy Hex Structural Bolts — Buy in wholesale FOB from Supplier in China

The A490m Heavy Hex Structural Bolts are engineered for high-load applications in steel construction, offering a 10s grade that meets ASTM specifications for structural bolting. These bolts feature a heavy hex head design, which provides a larger bearing surface and reduces the risk of head deformation under high torque. Available in sizes ranging from 1/2" to 2", they accommodate a wide variety of structural steel connections, from beam-to-column joints to splice plates.

Manufactured from alloy steel, these bolts undergo heat treatment to achieve the mechanical properties required for the 10s grade, including a minimum tensile strength of 1000 MPa. The surface treatments include black finish for basic corrosion protection, zinc plating for enhanced durability, and yellow zinc for both corrosion resistance and aesthetic appeal. The heavy hex configuration is standard for ASTM A490m bolts, ensuring compatibility with structural steel frameworks in North America and other regions adhering to similar standards.

These bolts are widely used in infrastructure projects such as bridges, high-rise buildings, and industrial facilities where structural integrity is paramount. Contractors and engineers prefer them for their ability to withstand shear and tensile forces in critical joints. Buyers should confirm packaging options, as bulk orders may be shipped in steel drums or palletized boxes to prevent damage. Trade terms, including MOQ and Incoterms, should be discussed directly with Ningbo S&D Metalwork Co., Ltd.

Ningbo S&D Metalwork Co., Ltd. operates from Yinzhou District, Ningbo, in Zhejiang Province, China, with its address registered under the 315114 postal code. The company holds an imported supplier tier and a harbor trust tier, indicating it meets basic verification criteria for international trade. While the profile does not currently display a response rate or average response time, the supplier’s focus on structural fasteners suggests a specialization in high-strength bolting solutions.

The supplier’s product portfolio includes heavy hex structural bolts, such as the A490m series, which are designed for demanding applications in construction and engineering. Its offerings cater to industries requiring durable and reliable fasteners, including infrastructure, manufacturing, and heavy machinery. As the profile does not provide details on certifications, production capacity, or client history, buyers should request these specifics to evaluate the supplier’s fit for their projects.