GB4231 U-Bolt Zhejiang Zhongrui Auto Parts Co., Ltd.
By Zhejiang Zhongrui Auto Parts Co., Ltd.
05/04/2025 The GB4231 U-Bolt is a standardized fastener compliant with China's national specifications, engineered to secure cylindrical or tubular components in demanding environments. Widely used in automotive systems, such as heavy-duty truck chassis and commercial vehicle suspension systems, its U-shaped design ensures robust clamping force to withstand vibrations, shocks, and dynamic loads. Constructed from carbon steel or alloy steel, it undergoes surface treatments like zinc plating or Dacromet coating to resist corrosion and abrasion, making it ideal for harsh conditions like salt spray or humidity.
The GB4231 U-Bolt features calibrated threading and a radius-optimized U-bend, minimizing stress concentration and metal fatigue—critical for automotive parts exposed to constant motion. In commercial vehicles, it is integral to fixing rear axle leaf springs, directly impacting load-bearing safety and stability. Standardized dimensions ensure compatibility with OEM components, while customizable options (diameter, length, coating) address specialized automotive aftermarket needs.
Designed for Ease of Use:
Our GB4231 U-Bolts are engineered for straightforward and efficient integration into your assembly processes:
- Standardized Dimensions: Compliance with national GB4231 specifications ensures seamless compatibility with Original Equipment Manufacturer (OEM) components, simplifying installation and maintenance.
- Calibrated Threading: Precision-engineered threads allow for consistent and accurate tightening, ensuring optimal clamping force and joint integrity.
- Optimized U-Bend Radius: The carefully designed U-bend facilitates easy alignment and installation around cylindrical or tubular components, minimizing installation complexities.
- Readily Available: Stocked in standard sizes to meet immediate demands for common applications.
- Robust Clamping Force: U-shaped design provides secure fastening against vibration and shock.
- Exceptional Corrosion Resistance: Zinc plating and Dacromet coating ensure longevity in harsh environments.
- Minimized Stress Concentration: Radius-optimized U-bend reduces metal fatigue for enhanced durability.
- Guaranteed OEM Compatibility: Standardized dimensions ensure seamless integration with existing systems.
- Customizable Options: Available in various diameters, lengths, and coatings to meet specialized aftermarket needs.
- Enhanced Safety and Stability: Critical for securing load-bearing components in commercial vehicles.
- Long-Term Reliability: Engineered for consistent performance and extended service life.
- Heavy-duty truck chassis systems
- Commercial vehicle suspension systems (leaf spring mounting)
- Securing exhaust systems and pipes
- Industrial machinery and equipment
- Agricultural vehicles
- Marine applications
- Any application requiring robust clamping of cylindrical or tubular components
About This Author
Zhejiang Zhongrui Auto Parts Co., Ltd.
Your Trusted IATF16949 Certified Automotive Fastener Manufacturer in China: Zhejiang Zhongrui Auto PartsZhejiang Zhongrui Auto Parts Co., Ltd., based at No. 680, Ya'ao Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province, China, is a long-standing and trusted manufacturer specializing …
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05/04/2025 In demanding industrial and automotive applications, maintaining consistent clamping force and joint integrity is crucial, especially in high-strength bolted connections subjected to dynamic loads and vibrations. DIN 6796 Conical Spring Washers, also known as Clamping Washers or Spring Steel Washers... Read More »
05/04/2025 Zhejiang Zhongrui Auto Parts Co., Ltd., a leading automotive fastener manufacturer based in Jiaxing City, Zhejiang Province, China (Est. 1986), is pleased to announce its participation in the Ningbo International Auto Parts & Aftermarket Expo 2025 (CAPAFAIR Ningbo 2025). The event, a key hub for... Read More »
05/04/2025 Jiaxing, Zhejiang, China – Zhejiang Zhongrui Auto Parts Co., Ltd., a leading automotive fastener manufacturer with extensive expertise in high strength fasteners and custom fastening solutions, is proud to highlight its capabilities in producing high-quality custom automotive pins certified under... Read More »
05/04/2025 In the demanding environment of automotive manufacturing and assembly, selecting fastening components that offer high shear strength, flexibility, and ease of installation is crucial. Spring type straight pins and clamping sleeves, standardized under DIN 1481 (Heavy Duty | ISO 8752) and DIN 7346 (Li... Read More »