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| Specification | Description | Details |
|---|---|---|
| Type | Truss Head Self-Tapping Screw | A screw with a truss head that can form its own thread without tapping. |
| Head Style | Truss (Hollow) Head | A hollow head designed to reduce weight and increase torque efficiency. |
| Drive Type | Phillips, Slotted, Hex Socket | Commonly Phillips for self-tapping screws. |
| Material | Carbon Steel, Stainless Steel | Affects strength, corrosion resistance, and appearance. |
| Grade | 4.8, 8.8, 10.9, etc. | Indicates mechanical properties and load-bearing capacity. |
| Diameter (d) | M2 to M12 | The nominal diameter of the screw thread. |
| Length (L) | 5mm to 200mm | Includes threaded and unthreaded portions. |
| Finish | Zinc Plated, Black Oxide | Surface treatment for protection and aesthetics. |
| Standards | ISO, ASTM, GB, etc. | Ensures quality and reliability through international standards. |





| Method | Regions | Timeframe | Options |
|---|---|---|---|
| Ocean shipping | North America | About 40 working days | Boxes, cartons or plastic bags |
| Ocean shipping | Southeast Asia | 20-30 working days | As per customer needs |
| Air transport | Other places | Around 1-3 business days | Secure packaging |

We specialize in producing all kinds of high-strength fasteners, with monthly production capacity of 800 tons. We mainly provide construction fasteners which includes high quality bolt, nut, screw and non-standard fastener in accordance with GB, DIN, ISO, ANSI, AS, BS, JIS. Our products are widely applied to architectural steel structures, bridges, oil pipeline, machinery equipment, furniture, vessel, and railway.





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