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High Cap Hub Nut

33 Years R&D And Manufacturing Experience In Fastener Field

Established in 1985, the company is located in Haiyan, Zhejiang Province. Zhejiang Huasa Furniture Technology Co., Ltd. is a China High Cap Hub Nuts Manufacturers and OEM Aluminum Hub Nut Factory. It’s next to the northern junction of Hangzhou Bay Bridge, with a convenient geographical location, only one hour to Shanghai, Ningbo and Hangzhou. The company covers an area of 110,000 m', specializing in the design, production and sales of various types of fasteners, covering the fields of auto, wind power, nuclear power and subsea oilfield, etc.
Zhejiang Dingsheng Automotive Fasteners Co., Ltd. belongs to Zhejiang New Oriental Auto-parts Co., Ltd., specializing in the production of passenger car fasteners and container floor nails. Equipped with domestic and foreign exquisite production and testing equipment, we have a one-stop production chain of material reforming, molding, machining, tempering and surface treatment, etc. We have built an integrated packaging and storage system which is in the forefront of the industry. We have passed ISO/TS16949 and IS09001 quality management system certification, and obtained IS017025 international standard laboratory certification. Ltd. is gradually growing into one of the most powerful fastener manufacturers in China.
Professional Industry Certification

A commitment to reliable quality

  • Certificate
    ISO14001 Environmental Management System Certificate
  • Certificate
    ISO45001 Occupational Health and Safety Management System
  • Certificate
    SGS-IATF16949
  • Certificate
    Laboratory 17025 Certificate
  • Certificate
    New Oriental IATF16949
  • Certificate
    Measurement Management System 10012 Certificate
  • Certificate
    Zhejiang Manufacturing Certificate

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Industry knowledge

High Cover How does the high cover design of hub nuts ensure even distribution of clamping force?

High Cover The high cover design of the hub nut plays a vital role in ensuring that the clamping force is evenly distributed. High Cap Hub Nut manufacturers not only improve the tightness and stability of the wheel hub, but also ensure the safety of vehicle driving. Here are a few key aspects of how the high-lid design ensures even distribution of clamping force:
INCREASED CONTACT AREA: The high cover design significantly increases the contact area between the nut and hub. When the nut is tightened, the increased contact area can disperse and evenly transmit pressure, avoiding damage or loosening caused by excessive local pressure. This design ensures uniform clamping force across the entire contact surface.
Optimized Cap Shape: The cap portion of high-cap hub nuts is often carefully designed to better accommodate the curvature and shape of the hub. By optimizing the shape and contour of the cap, a tight fit is ensured between it and the hub, resulting in a more even distribution of clamping force. This design reduces stress concentrations and potential risk of loosening.
PRECISE MANUFACTURING PROCESS: High Cap Hub Nuts employ precise craftsmanship and strict quality control during the manufacturing process. This manufacturing process ensures high precision and consistency of the nuts, allowing each nut to fit precisely into the wheel hub. This precise fit further ensures even distribution of clamping force.
Material Selection: High-cap hub nut manufacturers typically use high-strength, high-toughness materials. These materials not only have excellent mechanical properties but are also able to withstand a variety of complex working environments and conditions. Nuts made from high-quality materials retain their shape and dimensional stability better, ensuring even distribution of clamping force.
Self-locking function: Some high-cap hub nuts also have self-locking function. This design prevents the nut from loosening under vibration or impact by creating additional friction between the threads. The self-locking feature further enhances the stability of the clamping force, ensuring its even distribution over long periods of use.
The high-cap design of the hub nut ensures even distribution of clamping force through increased contact area, optimized cap shape, precise manufacturing process, high-quality material selection and self-locking function. This design not only improves the tightness and stability of the wheel hub, but also ensures the safety of the vehicle.

How does the high cover design increase the friction between the nut and the hub?

The high cover design plays an important role in enhancing the friction between the nut and the hub, which is mainly achieved through the following aspects:
The high cover design increases friction by increasing the surface area of the nut to hub contact. Compared with traditional hub nuts, the upper cap part of the high-cap hub nut increases the contact area with the hub. Under the same pressure, a larger contact area means greater friction, thereby improving the tightness between the nut and the hub.
The high cover design allows for more even pressure distribution between the nut and hub. When tightening the nut, conventional nuts may cause hub damage or nut loosening due to excessive local pressure on the threads. The high cover design avoids excessive local pressure by distributing pressure to a larger contact surface, making the pressure distribution between the nut and the hub more even, further enhancing the friction between them.
The high-cap design also improves friction by optimizing the thread shape and material of the nut. High cap hub nuts Manufacturers  usually use specially treated threads, such as increasing the thread height and thread angle. These changes can enhance the bite force between the thread and the hub, thereby increasing friction. At the same time, using high-strength and high-hardness materials to make the nuts can also effectively enhance the friction between the nuts and the hub, ensuring that the nuts are not easy to loosen during long-term use.
The high cover design also takes into account the self-locking performance of the nut during tightening. By optimizing the thread design of the nut, it has a self-locking function, that is, when the nut is tightened to a certain extent, the friction between the threads can generate sufficient resistance to prevent the nut from loosening due to vibration during vehicle driving. This self-locking performance not only improves the friction between the nut and the wheel hub, but also further enhances the safety and stability of the vehicle.
The high cover design effectively enhances the friction between the nut and the wheel hub by increasing the contact area, optimizing pressure distribution, changing the thread shape and material, and enhancing self-locking performance, thus improving the safety and stability of the vehicle.