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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 in a pre-drilled hole. |
| Head Style | Truss (Hollow) Head | A hollow head designed to reduce weight and increase torque efficiency. |
| Drive Type | Phillips, Slotted, Hex Socket, etc. | Mechanism used for installation, commonly Phillips. |
| Material | Carbon Steel, Stainless Steel (304, 316) | 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 | Nominal diameter of the screw thread. |
| Length (L) | 5mm to 200mm | Overall length including threaded portions. |
| Finish | Zinc Plated, Black Oxide, Phosphated | Surface treatment for corrosion protection. |





| Method | Region | Timeframe |
|---|---|---|
| Ocean Shipping | North/South America | About 40 working days |
| Ocean Shipping | Eastern Europe | 30-40 working days |
| Ocean Shipping | Southeast Asia | 20-30 working days |
| Air Transport | Global | Around 1-3 business days |

We are a world's leading fastener production and export base. We specialize in producing all kinds of high-strength fasteners, with a monthly production capacity of 800 tons.
We mainly provide construction fasteners which includes high quality bolts, nuts, screws and non-standard fasteners in accordance with GB, DIN, ISO, ANSI, ASTM, SAE, IFI, AS, BS, UNI, and JIS standards. Our products are applied to architectural steel structures, bridges, oil pipelines, machinery, furniture, vessels, and railways.
Our operations follow strict raw material procession and production processes, certificated by ISO9001, ensuring effective control and high-quality product standards.





Marin-one Medical