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| Specification | Description | Details |
|---|---|---|
| Type | Truss Head Self-Tapping Screw | A screw that 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, corrosion resistance, and appearance. |
| Grade | 4.8, 8.8, 10.9, etc. | Indicates mechanical properties and load capacity. |
| Diameter (d) | M2 to M12 | The nominal diameter of the screw thread. |
| Length (L) | 5mm to 200mm | Total length including threaded and unthreaded portions. |
| Finish | Zinc Plated, Black Oxide, etc. | Surface treatment for protection and aesthetics. |
| Standards | ISO, ASTM, GB, DIN, JIS | Ensuring quality and international reliability. |





| Method | Region | Estimated Time | Packaging |
|---|---|---|---|
| Ocean shipping | North/South America | About 40 working days | Boxes/Cartons/Plastic bags |
| Ocean shipping | Southeast Asia | 20-30 working days | Customized available |
| Air transport | Global | 1-3 business days | Secure export packaging |

We are a leading fastener production and export base. Our facility specializes in producing all kinds of high-strength fasteners, with a monthly production capacity of 800 tons.
We primarily provide construction fasteners including high-quality bolts, nuts, screws, and non-standard fasteners in accordance with GB, DIN, ISO, ANSI/ASTM, SAE, and JIS standards. Our products are widely applied to architectural steel structures, bridges, oil pipelines, machinery, furniture, vessels, and railways.
Operating under strict quality control, we are certified by ISO9001. Every step from raw material processing to final production is monitored to ensure the highest product reliability.









Professional Team
Well trained and experienced staff at your service for technical and sales support.
Short Lead Time
Efficient production processes ensure quick delivery and reliable schedules.
Global Standards
Full compliance with international standards: DIN, ISO, ANSI, BSW, JIS.
Custom Solutions
OEM/ODM and non-standard customized services designed to your specific requests.
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