China hexagon nuts Manufacturer, Supplier, Factory

Hexagon nuts are among the most widely used fasteners in industrial and construction applications, prized for their reliability and ease of installation. High-quality options like Grade 2 finished hexagon nuts provide excellent performance in general-purpose assemblies, ensuring secure connections with standard bolts. For more demanding environments, our premium finished hexagon nuts deliver superior surface protection and consistent thread accuracy, enhancing durability in high-stress conditions. These products undergo stringent manufacturing processes to meet industry standards and are available in various sizes and materials to suit diverse requirements.


Hexagon nuts feature a six-sided design that allows for straightforward tightening using common tools like wrenches or sockets. The standard dimensions and threading of <产品名字> ensure compatibility with a broad range of bolts and screws, making them a versatile choice for mechanical and structural applications. Common specifications include thread sizes from #4 to 1 inch, with corresponding widths and heights tailored to different load capacities. Below is a detailed table outlining key parameters for various hexagon nut types.

  • Thread Size Range: #4 to 1 inch (UNC/UNF threads available)
  • Material Options: Carbon steel, stainless steel, brass, and alloy steel
  • Surface Finishes: Zinc-plated, hot-dip galvanized, plain, and chrome
  • Standards Compliance: ASTM, ISO, DIN, and ANSI specifications
  • Temperature Resistance: Up to 800°F (427°C) for high-temperature variants
  • Corrosion Resistance: Enhanced coatings for outdoor and marine use
Product Type Thread Size (inches) Width Across Flats (inches) Height (inches) Material Grade Typical Applications
Heavy Hex Nut 1/2" to 2" 0.875" to 3.25" 0.484" to 1.781" ASTM A563 Structural steel, bridges
Finished Hex Nut #4 to 1" 0.25" to 1.5" 0.1" to 0.875" Grade 2, 5, 8 General machinery, automotive
Nylon Insert Lock Nut #6 to 1-1/2" 0.3125" to 2.25" 0.234" to 1.5" Stainless 18-8 Vibration-prone assemblies
Jam Nut (Thin) 1/4" to 1" 0.4375" to 1.5" 0.1" to 0.3" Grade A Space-constrained applications

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