Home / Products / Automotive Studs

Automotive Studs Suppliers

This automotive screw studs product line is engineered to meet the demands of high-strength and high-precision fastening applications. This range includes DIN939 thick rod double-head bolts, GB899B thin rod double-end studs, and ANSI/ASME B18.31.2 tooth rods. Manufactured from premium alloy steel and subjected to rigorous heat treatment and anti-corrosion surface treatments, our studs ensure exceptional tensile strength and durability, making them ideal for critical components such as engine assemblies, chassis connections, and suspension systems. With high-precision threading, these studs provide a secure fastening solution, minimizing the risk of loosening and enhancing overall vehicle safety and stability. Whether for high-load environments or complex working conditions, our automotive screw studs deliver outstanding performance and long-lasting reliability, meeting the stringent standards of the automotive manufacturing and repair industries.

About Us
Zhejiang Zhongrui Auto Parts Co., Ltd.
Zhejiang Zhongrui Auto Parts Co., Ltd.
As China Automotive Automotive Studs Suppliers and Automotive Studs Company. Our Company supply Automotive Automotive Studs Custom.
Zhejiang Zhongrui Auto Parts Co., Ltd. was founded in 1986. The original unit is located in Ruian City, one of the birthplaces of Wenzhou's economic model, and is located in Tangxia, the "Auto Parts Capital of China". In 2004, in order to further expand its production scale, the company The industrial park in Jiaxing City, Zhejiang, which is located in a very advantageous location, acquired new land and built a modern production plant and office building. The company covers an area of ​​36,237 square meters, with a factory area of ​​20,000 square meters. The company's fixed assets are 130 million yuan.
News
Message Feedback
Automotive Studs Industry knowledge

Can the Automotive Screw Studs of Zhejiang Zhongrui Auto Parts Co., Ltd. Withstand High-Temperature or High-Pressure Environments?

Studs are essential fasteners designed for applications where one of the connected components is thick, compact, or subject to frequent disassembly. These versatile connectors serve as the backbone of mechanical and structural assemblies, ensuring steadfast joint integrity while allowing for seamless disassembly when required. Their robust design and adaptability make them indispensable across numerous industries, including the demanding field of automotive engineering.

In high-performance automotive applications, screw studs are subjected to extreme conditions—intense heat, immense pressure, and relentless mechanical stress. The question then arises: Can the automotive screw studs manufactured by Zhejiang Zhongrui Auto Parts Co., Ltd. endure such punishing environments?

Engineered for Strength and Durability
As a premier supplier of automotive screw studs, Zhejiang Zhongrui Auto Parts Co., Ltd. integrates advanced metallurgical science with cutting-edge manufacturing processes. The company specializes in producing custom screw studs designed to withstand high thermal loads and severe mechanical forces.

Material selection is paramount in ensuring resilience under extreme conditions. Zhongrui employs high-strength alloy steels and advanced surface treatments to enhance the studs' resistance to oxidation, corrosion, and thermal expansion. Precision heat treatment processes—such as quenching, tempering, and carburizing—further reinforce the microstructure, improving fatigue resistance and tensile strength.

Performance Under Extreme Conditions
High-performance engines, turbocharged systems, and heavy-duty suspension assemblies generate extreme heat and pressure. Standard fasteners may succumb to thermal creep, stress relaxation, or material degradation under such conditions. However, Zhongrui’s automotive screw studs are meticulously engineered to combat these challenges:

High-Temperature Resistance: Advanced coatings such as black oxide, zinc plating, and nickel-phosphorus coatings enhance thermal stability and mitigate oxidation at elevated temperatures.
High-Pressure Endurance: The use of precision-machined threads and optimized tensile properties ensures that the studs maintain clamping force even under substantial loads, preventing loosening or mechanical failure.
Corrosion Protection: In harsh environments where moisture, road salt, and chemicals accelerate wear, specialized anti-corrosion treatments prolong the lifespan of the studs.
Commitment to Excellence
Founded in 1986, Zhejiang Zhongrui Auto Parts Co., Ltd. has built a reputation for precision-engineered fasteners tailored to the automotive sector. Originally established in Ruian City, Wenzhou—a pivotal hub of China's automotive industry—the company capitalized on its strategic location in Tangxia, the "Auto Parts Capital of China." To meet growing market demands, Zhongrui expanded in 2004, acquiring land in Jiaxing City, Zhejiang, and establishing a modern production facility.

Today, the company operates on a 36,237-square-meter site, with a factory area of 20,000 square meters and fixed assets totaling 130 million yuan. Equipped with state-of-the-art machinery, stringent quality control systems, and a commitment to innovation, Zhongrui remains a trusted partner for high-performance automotive screw stud worldwide.

For industries that demand precision, strength, and endurance, Zhejiang Zhongrui Auto Parts Co., Ltd.’s automotive screw studs offer an unrivaled combination of durability, reliability, and adaptability. Whether facing extreme heat in high-performance engines or enduring immense pressure in critical fastening applications, Zhongrui’s screw studs are built to perform under the most demanding conditions.

For manufacturers seeking superior automotive fasteners, Zhongrui delivers engineered solutions that stand the test of time.

Contact Our Experts
And Get A Free Consultation!
Learn More