High-Reliability Fastening Solutions for Automotive & EV Systems
Engineered for safety-critical applications and next-generation mobility. We provide lightweight, high-tensile (up to Grade 12.9) fastening solutions that withstand extreme dynamic loads, thermal cycling, and harsh environmental factors for OEMs and Tier 1 suppliers.
A Strategic Partner for Automotive OEMs and Tier 1 Suppliers
Our production processes are strictly aligned with ISO quality management systems and rigorous automotive industry protocols. We support leading vehicle manufacturers and EV startups in navigating the transition to electrification with zero-defect, non-standard fastening components.








Industry Challenges
Navigating Technical Challenges in Next-Gen Automotive Engineering
The Lightweighting Mandate
Vibration & Torque Stability
Thermal & Electrical Stress
Corrosion Resistance
Our Engineered Solutions
Weight & Geometry Optimization
We help you achieve significant weight savings by utilizing Titanium, Aluminum alloys, and engineering shallower fastener heads (geometry optimization) without sacrificing tensile strength.
Structural Integrity & Torque
Utilizing specialized thread profiles and high-tensile materials (Grade 10.9 & 12.9), including Hex Flange designs, to ensure maximum vibration resistance and torque stability.
Superior Surface Engineering
Offering advanced Dacromet coatings and specialized anti-corrosion treatments engineered for prolonged salt-spray resistance in harsh automotive environments.
Zero-Defect Manufacturing
Every batch undergoes 100% automated optical sorting to ensure precision down to 0.05mm, facilitating seamless integration into automated assembly lines.
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Technical Specifications
| Feature | Specification |
| Strength Grades | Class 8.8, 10.9, 12.9 |
| Material Range | Alloy Steel, Stainless Steel, Titanium, Aluminum |
| Thread Precision | 6g / 6H (Standard) or Custom tighter tolerances |
| Size Range | M2.0 – M20; Length up to 300mm |
| Surface Treatments | Black Plated, Silver Dacromet, Passivation, Custom Anti-Corrosion |
Custom Manufacturing Process
Quality Assurance
Mechanical Testing
Tensile strength, hardness, and torque limit testing for high-grade fasteners.
Environmental Simulation
Advanced salt spray chambers to verify long-term corrosion resistance for Dacromet and other coatings.
Dimensional Precision
2D/3D optical projectors and 100% automated optical sorting systems ensuring every part meets the 0.05mm tolerance standard.
Comparison
| Feature | Standard Fasteners | Guanbiao Automotive Grade |
| Vibration Resistance | Basic | Engineered for high-vibration (EV/Chassis) |
| Weight Optimization | Standard Bulky Heads | Optimized Geometry & Lightweight Materials |
| Precision (Tolerance) | ±0.15mm | Maintained down to 0.05mm |
| Quality Control | Random Sampling | 100% Automated Optical Sorting |
FAQ
We contribute to vehicle lightweighting by utilizing advanced materials like Titanium and Aluminum, and by optimizing fastener geometry (e.g., shallower heads) to reduce the weight of each component without sacrificing strength.
Yes. We offer advanced surface treatments like Dacromet that are specifically designed to provide superior salt-spray resistance and durability in harsh automotive environments.
We support agile development with 24-hour quoting, 7-day mold making, and 10-day prototype delivery.
Accelerate Your Automotive Development with Precision Fastening
Facing a complex fastening or lightweighting challenge in your next EV project? Our engineers are ready to provide Design-for-Manufacturing (DFM) support and rapid prototyping.
- Free Technical Feasibility & Lightweighting Review
- ISO Certified Manufacturing & 100% Optical Sorting
- Rapid Samples in 10 Days
