Import Heavy Structure Bolt — Buy in Bulk from Supplier in China

Ningbo S&D Metalwork Co., Ltd. manufactures the Heavy Structure Bolt, a fastening component intended for demanding industrial applications. The bolt is identified by model number A325M 8S and features a hexagon head for straightforward installation. It is fabricated from high‑grade carbon steel and carries a grade rating of 8.8, indicating a tensile strength of approximately 800 MPa. Diameter options span from M12 to M36, providing flexibility for various joint sizes.

The use of carbon steel aligns with standard practice for high‑strength bolts in structural engineering, and the 8.8 grade complies with ISO 898‑1 specifications for metric fasteners. Typical length ranges for such bolts are 30 mm to 200 mm, although exact lengths are selected per project requirement. The hex head design conforms to standard wrench sizes, facilitating efficient assembly and disassembly on site.

These bolts are commonly employed in bridge construction, machinery assembly, automotive manufacturing and other sectors where high load resistance is essential. The supplier mentions flexible minimum order quantities and offers shipping under FOB or CIF conditions, but specific lead times should be confirmed directly. Buyers are encouraged to request material test certificates and compliance documentation to verify the 8.8 grade and carbon content. Payment terms are negotiated per transaction, reflecting standard international trade practice.

Ningbo S&D Metalwork Co., Ltd. is located in Yinzhou District, Ningbo 315114, Zhejiang, China. The supplier carries a harbor trust tier and is listed as an imported tier on the marketplace, with a reported response rate of 0 % and no average response time recorded. This classification reflects a basic level of verification provided by the platform.

The company produces heavy‑duty structural bolts for industrial use, supplying sectors such as construction, machinery and automotive manufacturing. Their product catalogue includes metric hex bolts with grades up to 8.8 and diameters from M12 to M36. No further statements about production capacity, certifications beyond ISO/SGS mentions, or client references are included in the listing.