Home / Products / Automotive Nuts / Round Screw Nuts

Round Screw Nuts Manufacturers

Automotive Round Screw Nuts are basic yet crucial fasteners with a circular shape. Their simplicity allows for easy handling and versatility in various applications. These nuts secure components and provide stability in countless mechanical and structural projects. Round nuts are used in settings where strength and reliability are needed, offering a dependable grip to maintain secure connections. Whether in automotive, or manufacturing, round nuts are the workhorse of fasteners, providing an essential role in assembling, disassembling, and maintaining equipment and structures with efficiency and ease.

About Us
Zhejiang Zhongrui Auto Parts Co., Ltd.
Zhejiang Zhongrui Auto Parts Co., Ltd.
As China Automotive Round Screw Nuts Manufacturers and Round Screw Nuts Factory. Our Company supply Automotive Round Screw Nuts Wholesale.
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
Round Screw Nuts Industry knowledge

Enhancing Performance with Coating and Surface Treatments for Automotive Round Screw Nuts

We understand that durability and reliability are critical factors in the performance of fasteners. Our Automotive Round Screw Nut products are engineered to provide a secure and stable connection in demanding applications, but the right coating and surface treatment can further enhance their lifespan and performance. In industries like automotive, construction, and manufacturing, exposure to moisture, chemicals, and extreme temperatures can lead to corrosion, weakening the integrity of fasteners over time. To prevent this, we implement advanced coating and treatment techniques that improve resistance to wear, oxidation, and environmental factors.

One of the most commonly used surface treatments is zinc plating, which provides a protective layer that resists corrosion while maintaining the nut’s mechanical strength. This method is particularly beneficial for automotive applications where fasteners are exposed to road salts and moisture. For even greater protection, hot-dip galvanization offers a thicker, more durable zinc coating that enhances rust resistance, making it ideal for outdoor and heavy-duty applications. Additionally, we offer black oxide treatment, which not only improves corrosion resistance but also enhances the nut’s appearance and reduces light reflection—useful in certain manufacturing and engineering applications.

For high-performance environments requiring extra strength, we also provide phosphate coatings, which create a strong base for additional lubrication, reducing friction and improving assembly efficiency. In critical applications where fasteners are exposed to extreme conditions, our nickel or chrome plating options add a layer of protection against both corrosion and wear while maintaining a polished finish. These coatings ensure that our Automotive Round Screw Nut products maintain their integrity under stress, helping our customers avoid premature replacements and maintenance costs.

By carefully selecting the right surface treatment for specific applications, we ensure that our fasteners meet industry standards while providing long-term reliability. At RUIQI, we are committed to delivering high-quality, performance-driven solutions for a wide range of fastening needs. Whether for automotive assembly, heavy machinery, or construction projects, our expertly coated nuts help maintain strong, lasting connections in even the toughest conditions.

Contact Our Experts
And Get A Free Consultation!
Learn More