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Round head knurled hub bolts

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 Zinc Knurled Hub Bolts Manufacturers and OEM Round Head Knurled 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

  • 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

What are the key features of round head knurled hub bolts?

Round head knurled hub bolts are a specific type of fastener designed for various applications where a secure connection is required. These bolts have several key features that make them suitable for specific tasks:
Round Head: Round head knurled hub bolts have a circular or rounded head at one end. This head is typically larger in diameter than the bolt's shank, providing a flat bearing surface for distributing loads and preventing the bolt from pulling through the material.
Knurled Hub: The knurled hub refers to a textured or ridged portion located beneath the round head of the bolt. This knurled surface provides enhanced grip and friction when tightening or loosening the bolt. It allows for manual adjustment without the need for additional tools, making them ideal for applications where frequent adjustments are required.
Threaded Shank: Like most bolts, round head knurled hub bolts have a threaded shank that extends from the head. This threaded section is used to securely fasten two or more components together by engaging with a corresponding nut or threaded hole.
Unified Thread Standard: Round head knurled hub bolts often adhere to standard thread specifications, such as Unified Thread Standard (UTS) or Unified National Thread, ensuring compatibility with other threaded components and fasteners.
Material Options: These bolts can be manufactured from a variety of materials, including steel, stainless steel, brass, and more. The choice of material depends on the specific application and the required properties like corrosion resistance, strength, or electrical conductivity.
Size and Length Variations: Round head knurled hub bolts are available in various sizes and lengths to accommodate different applications and thicknesses of materials. They come in a range of diameters and thread pitches to suit specific needs.
Usage Scenarios: These bolts are commonly used in applications where a secure but adjustable connection is needed, such as in machinery, equipment assembly, automotive, and electronics. Their knurled hub allows for easy hand tightening and adjustments without the need for tools, making them convenient for on-the-fly adjustments or disassembly.
Appearance: Round head knurled hub bolts typically have a polished or finished appearance on the exposed surfaces, which can be important for aesthetic considerations in certain applications.

What are the typical applications for Zinc Knurled Hub Bolts?

Zinc knurled hub bolts are a type of fastener that has a knurled or textured surface on the bolt's head and is typically coated with zinc for corrosion resistance. These bolts have various applications across different industries, including:
Automotive Industry: Zinc knurled hub bolts are commonly used in the automotive industry for securing various components, such as wheels, brake systems, and engine parts. The knurled surface provides better grip and helps prevent loosening due to vibrations.
Machinery and Equipment: They are used in machinery and equipment assembly where a secure, non-slip connection is required. The knurled head makes it easier to tighten or loosen the bolts without the need for specialized tools.
Electronics: In electronics manufacturing, these bolts are used to fasten components in place, especially in cases where fine-tuning and adjustment are needed. The knurled surface allows for easy hand-tightening.
Furniture Assembly: Zinc knurled hub bolts are often used in furniture assembly, particularly for joining metal or wood components. The knurled head provides a better grip for assembly without the need for additional tools.
Construction: In construction applications, these bolts can be used for securing fixtures, brackets, and other components. Their corrosion-resistant zinc coating makes them suitable for outdoor and exposed environments.
Marine and Marine Equipment: Zinc knurled hub bolts are used in the marine industry due to their resistance to saltwater corrosion. They are employed for securing various parts of boats and marine equipment.
Agricultural Equipment: These bolts find use in the assembly and maintenance of agricultural machinery and equipment, where durability and corrosion resistance are essential.
General Manufacturing: Zinc knurled hub bolts have a wide range of applications in general manufacturing processes where a non-slip fastening solution is required, and where corrosion resistance is beneficial.
DIY and Home Improvement: They are used by homeowners and DIY enthusiasts for various projects, including building furniture, repairing appliances, and securing fixtures.
Aviation and Aerospace: In some specialized applications within the aerospace industry, knurled bolts may be used for their ability to provide a secure grip even in challenging conditions.