We are a China-based Manufacturer offering robust Truss head Self Tapping screws ideal for metal roofing, enclosures, and electrical cabinets. With a broad range of diameters and lengths, these fasteners provide excellent pull-out strength and fast installation. The truss head delivers a uniform bearing surface to avoid dimples and ensure flush seating. The self-tapping thread bites into steel and aluminum cleanly, reducing drilling needs and downtime on site. Our screws are finished with zinc plating or coating options for corrosion resistance in outdoor or humid environments. We offer customization in coating, head style, drive type, and packaging to fit your assembly line. Short lead times, competitive pricing, and strict quality checks from our factory in China ensure reliable supply. Partner with us for steady stock, consistent tolerance, and documentation you need for imports and compliance.
Global manufacturers increasingly rely on truss head self-tapping screws to join metal frames and enclosures quickly and reliably. Factory-direct supply this year delivers consistent quality, shorter lead times, and transparent pricing by eliminating middlemen. The truss head distributes clamping force over a wider area, while the self-tapping point threads into metal sheets, reducing pre-drilling and assembly steps. Options include carbon steel with zinc coatings or stainless steel, with corrosion-resistant finishes to meet RoHS and REACH requirements. Choosing the right screw means matching material, length, thread pitch, and drive type (Phillips or Torx) to your application. For harsher environments, stainless or coated grades perform better. Direct-from-factory partners support customization: batch tolerances, tailored packaging, and scalable production for automated lines. They also offer reliable global logistics and documentation aligned with international standards, helping buyers minimize risk and lower total cost.
| Product Code | Diameter (mm) | Length (mm) | Material | Finish | Head Type | Drive Type | Thread Length (mm) | Coating | Tensile Strength (MPa) | Certifications | Country of Origin | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TS-ST-3.5x12 | 3.5 | 12 | Carbon Steel | Zinc Plated | Truss Head | Phillips | 11 | Bright Zinc | 520 | RoHS, REACH | China | 2026 |
| TS-ST-4.0x16 | 4.0 | 16 | Carbon Steel | Zinc Plated | Truss Head | Phillips | 14 | Bright Zinc | 520 | RoHS | Vietnam | 2026 |
| TS-ST-4.8x20 | 4.8 | 20 | Stainless Steel (A2) | Satin | Truss Head | Phillips | 18 | Electropolished | 650 | RoHS, REACH | China | 2026 |
| TS-ST-5.5x25 | 5.5 | 25 | Carbon Steel | Zinc Plated | Truss Head | Phillips | 23 | Bright Zinc | 520 | RoHS | India | 2026 |
| TS-ST-6.0x30 | 6.0 | 30 | Carbon Steel | Black Oxide | Truss Head | Phillips | 28 | No Coating | 550 | RoHS | Taiwan | 2026 |
| TS-ST-6.0x40 | 6.0 | 40 | Stainless Steel (A4) | Bright | Truss Head | Phillips | 38 | Electropolished | 650 | RoHS, REACH | USA | 2026 |