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China Semi-refined square nuts Manufacturer, Supplier, Factory

When it comes to reliable fastening solutions, semi-refined square nuts offer exceptional durability and versatility. These components are engineered to provide a secure hold in various applications, from industrial machinery to construction projects. As a type of square nuts, semi-refined versions undergo a specialized manufacturing process that enhances their mechanical properties without reaching full refinement. This makes them ideal for environments where moderate corrosion resistance and strength are required. Whether you're working with heavy-duty equipment or assembling structural frameworks, semi-refined square nuts ensure a tight, lasting fit. Their design allows for easy installation with standard tools, reducing assembly time and improving overall efficiency. Additionally, these nuts are compatible with a wide range of bolt sizes, making them a go-to choice for professionals seeking cost-effective and dependable square nuts solutions.


Semi-refined square nuts are distinguished by their precise specifications, which cater to diverse industrial needs. Below is a detailed overview of their key parameters, presented in both list and table formats for clarity.

Key Features:

  • Material: Carbon steel with a semi-refined finish
  • Surface Treatment: Zinc-plated for enhanced corrosion resistance
  • Thread Type: Metric or UNC/UNF standards available
  • Temperature Range: -20°C to 120°C
  • Load Capacity: Up to 8.8 grade tensile strength

Technical Specifications Table:

Size (M)Width (mm)Height (mm)Thread Pitch (mm)Weight (g)
M61051.04.5
M81361.258.2
M101781.515.0
M1219101.7522.5

These specifications ensure that Semi-refined square nuts meet industry standards for performance and safety. The zinc plating provides a protective layer, extending the product's lifespan in humid or outdoor settings. With precise threading, they minimize the risk of stripping during installation, offering a reliable fastening option for automotive, agricultural, and mechanical assemblies. The variety of sizes allows for customization based on project requirements, ensuring optimal compatibility and ease of use.

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