Screws

Welcome to the Screws category at MJ Anchor (Hebei DuoJia Metal Products Co., Ltd.), your premier manufacturer and global supplier located in Handan Yongnian, the heart of China’s fastener production industry. Leveraging the deep technical expertise of our predecessor, the Yonghong expansion screw factory, we produce a comprehensive range of high-performance screws engineered for superior grip, torque transmission, and structural integrity across construction, automotive, and electronics industries. Our extensive product lineup includes Self-Tapping Screws (DIN 7981/7982), Self-Drilling Screws (DIN 7504), Drywall Screws, Wood Screws, and Machine Screws, all precision-manufactured to meet rigorous international standards including GB, DIN, ANSI, and BS.

These essential fastening components are designed with optimized thread profiles and drive types—including Phillips, Slotted, Torx, and Hex—to ensure efficient installation and maximum pull-out resistance. Fabricated from high-grade Carbon Steel, Case-Hardened Steel, or Stainless Steel (SS304/SS316), our screws are offered in various strength grades to handle diverse mechanical load requirements from light-gauge metal to heavy timber framing. To ensure exceptional durability and protection against environmental corrosion, we provide professional surface treatments including White Zinc Plating, Yellow Zinc Plating, Black Phosphating, and Ruspert Coating for outdoor applications.