Bolts

Welcome to the Bolts category at MJ Anchor (Hebei DuoJia Metal Products Co., Ltd.), your premier manufacturer and global supplier located in Handan Yongnian, the largest fastener production hub in China. Building on our deep technical heritage as the former Yonghong expansion screw factory, we produce a comprehensive range of industrial bolts engineered for superior structural integrity and mechanical performance. Our extensive product lineup includes DIN933 Hex Bolts, DIN912 Hex Socket Head Cap Screws, and various Socket Button/Pan Head Bolts, all precision-manufactured to meet rigorous international standards, including GB, DIN, ANSI, and BS. We also specialize in heavy-duty connection solutions such as U-Bolts, J-Hooks, and Eye Bolts (with welded options), which are essential for lifting and securing applications in steel structures and infrastructure projects. Fabricated from high-grade Carbon Steel or Stainless Steel (SS304/SS316), our bolts are offered in a wide spectrum of strength grades, ranging from 4.8 and 8.8 to 12.9, to handle diverse load-bearing requirements. To ensure exceptional durability and protection against environmental corrosion, we provide professional surface treatments including Hot-Dip Galvanization (HDG), Yellow Zinc Plating, and White Zinc Plating. With our advanced factory-direct production lines, we provide full support for custom manufacturing based on your unique technical drawings and material specifications. MJ Anchor is committed to delivering reliable, laboratory-tested fastening components that satisfy the most demanding safety standards of modern global engineering. For wholesale pricing, material test reports (MTC), or technical consultations, please contact our expert team at Nancy@mj-anchor.com