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| Specification | Description | Details |
|---|---|---|
| Type | Truss Head Self-Tapping Screw | Forms its own thread in pre-drilled holes. |
| Head Style | Truss (Hollow) Head | Designed to reduce weight and increase torque efficiency. |
| Material | Carbon Steel, Stainless Steel | Affects strength and corrosion resistance. |
| Grade | 4.8, 8.8, 10.9, etc. | Mechanical properties and load-bearing capacity. |
| Diameter (d) | M2 to M12 | The nominal diameter of the screw thread. |
| Thread Pitch | Coarse, Fine, or Extra-Fine | Distance between threads affecting fastening grip. |
| Finish | Zinc Plated, Black Oxide, etc. | Surface treatment for protection and aesthetics. |






We specialize in producing high-strength fasteners with a monthly capacity of 800 tons. Our products comply with GB, DIN, ISO, ANSI, and JIS standards, serving architectural steel structures, bridges, machinery, and more across Europe, Australia, and North America.



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