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Round head knurled hub bolts
Round head knurled hub bolts are a type ...
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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 Double Head Hub Bolts Suppliers and Wholesale Round Head Hub Bolts 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
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ISO14001 Environmental Management System Certificate
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ISO45001 Occupational Health and Safety Management System
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SGS-IATF16949
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Laboratory 17025 Certificate
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New Oriental IATF16949
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Measurement Management System 10012 Certificate
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Zhejiang Manufacturing Certificate
Industry knowledge
How Do Double Head Hub Bolts Prevent Loosening?
Double head hub bolts are designed to prevent loosening in certain applications, such as automotive wheels. These bolts have two separate heads, one on top of the other, and they work together to provide a secure connection. Here's how they prevent loosening:
Locking Mechanism: Double head hub bolts typically have a flanged or serrated nut on the bottom head. The serrations or flanges on the nut grip the surface of the wheel hub, creating friction and preventing the bolt from turning. This locking mechanism ensures that the bolt remains in place, even when subjected to vibrations and rotational forces.
Double Torque: To tighten double head hub bolts properly, both heads must be torqued independently. The top head is tightened with a wrench or socket, while the bottom head is held in place with another tool or a wrench. This double torque process ensures that both heads are securely fastened, minimizing the chances of loosening.
Even Distribution of Force: The double head design distributes the clamping force evenly across the bolt, nut, and wheel hub. This even distribution helps maintain a consistent level of tension and reduces the risk of the bolt coming loose over time.
Redundancy: Double head hub bolts offer a level of redundancy. Even if one of the heads were to loosen slightly due to factors like wear or vibration, the other head should still provide enough clamping force to keep the bolt secure.
Resistance to Backing Out: The bottom head of the bolt is typically recessed within the wheel hub or a similar mounting surface, making it difficult for the bolt to back out or loosen on its own.
It's important to follow manufacturer recommendations for torque specifications and maintenance intervals when using double head hub bolts. Regular inspection and re-torquing, if necessary, can help ensure that the bolts remain secure and prevent potential loosening. Additionally, proper installation and maintenance are crucial to their effectiveness in preventing loosening in various applications.
How Does Double Head Hub Bolt Differ from Standard Bolts?
A round head hub bolt, also known as a hub bolt or wheel hub bolt, differs from standard bolts in several key ways, primarily in its design and purpose. Here are some of the main differences:
Head Shape: The most obvious difference is in the head shape. A round head hub bolt has a rounded or domed head, often with a beveled or tapered edge. This design is intended to fit flush against a wheel hub or similar surface, providing a smooth, low-profile connection. In contrast, standard bolts typically have hexagonal heads, square heads, or other shapes that are not designed for this specific purpose.
Application: Round head hub bolts are designed specifically for automotive and machinery applications where they are used to secure wheels to the hub. They are commonly found in vehicles like cars, trucks, and trailers. Standard bolts, on the other hand, have a wide range of applications and are used in various industries and contexts.
Load Distribution: Round head hub bolts are designed to distribute the load evenly across the surface of the wheel hub, ensuring a secure and stable connection between the wheel and the vehicle. The rounded head helps to prevent stress concentrations that can occur with sharp-edged bolts. Standard bolts may not have this specific load distribution feature unless designed for a similar purpose.
Thread Type: Round head hub bolts typically have a fine thread pattern designed to provide a strong and secure grip when fastening the wheel to the hub. The thread type and size are chosen to match the specific application and are different from the threads used in standard bolts, which can vary widely depending on their intended use.
Material and Coating: Both round head hub bolts and standard bolts can be made from a variety of materials, including steel, stainless steel, and alloys, depending on the application's requirements. The choice of material and any additional coatings or plating can differ between the two types of bolts based on factors like corrosion resistance and strength requirements.
Tightening Specifications: Round head hub bolts often come with specific torque specifications for proper installation to ensure wheel safety. Standard bolts may also have torque specifications, but they vary widely depending on their application.
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- Tel：18867663813
- Address：No.1 Xitang Road, Daqiao New District, Haiyan County Economic Development Zone, Jiaxing City, Zhejiang Province
- E-mail：[email protected]
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