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Custom Automotive Weld Screws ISO/DIN Compliant Zinc/Geomet Coating OEM & Batch Orders Guanbiao hardware
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Product Description
Custom Automotive Weld Screws ISO/DIN Compliant Zinc/Geomet Coating OEM & Batch Orders Guanbiao hardware
High-Strength Automotive Weld Screws for Critical Joints** Our precision-engineered weld screws are designed for permanent bonding in automotive chassis, exhaust systems, and electric vehicle battery assemblies. Certified to ISO 13918 and DIN 928/929 standards, they ensure vibration-resistant connections even under extreme thermal cycling.
**Why Choose Our Weld Screws?** ✔ **Zero Pre-Drilling Needed** – Self-fixturing design reduces assembly time ✔ **Customizable** – Shank length, thread pitch, head type tailored to your CAD specs ✔ **Robotic Welding Compatible** – Consistent projection height (±0.1mm tolerance) ✔ **EV-Ready** – Passes 1000hr salt spray test (Geomet® coating option)
TECHNICAL SPECIFICATIONS |
|
|---|---|
Material |
Carbon Steel (ML08Al), Stainless Steel (A2/A4), Aluminum Alloy |
Strength Grade |
4.8 | 8.8 | 10.9 (Custom heat treatment available) |
Diameter Range |
M3-M12 (Other sizes negotiable) |
Projection Height |
1.5mm-4mm (±0.1mm controlled) |
Surface Treatment |
|
Welding Method |
Resistance projection welding (RPW), Arc stud welding |
Application |
Recommended Spec |
Coating |
|---|---|---|
EV Battery Trays |
M6-M10, 10.9 grade |
Geomet® + Insulator Washer |
Exhaust Manifolds |
M5-M8, A2 stainless |
High-temp ceramic coating |
Door Hinges |
M4-M6, 8.8 grade |
Zinc-nickel 8μm |
Seat Frame Welding |
M5-M8, ML08Al |
Phosphate + Oil |
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