China Grade 2 finished hexagon nuts Manufacturer, Supplier, Factory

When it comes to securing your assemblies with reliability and precision, our high-quality finished hexagon nuts are the industry benchmark. Engineered to meet rigorous standards, these components are essential for countless applications across various sectors. As a fundamental type of fastener, hexagon nuts provide a robust and easily serviceable connection. Our finished hexagon nuts undergo a thorough finishing process, ensuring a smooth surface, consistent threads, and superior corrosion resistance. This makes them an ideal choice for both standard and demanding environments where vibration resistance and long-term integrity are paramount.


The Grade 2 finished hexagon nuts are manufactured from low carbon steel, providing a dependable balance of strength and ductility for a wide range of general-purpose applications. This product is characterized by its specific mechanical properties and dimensional accuracy, ensuring a perfect fit and reliable performance with matching bolts. Below are the detailed specifications and parameters that define the Grade 2 finished hexagon nuts.

Key Features of Grade 2 Finished Hexagon Nuts

  • Material: Low Carbon Steel
  • Grade: 2
  • Finish: Plain, Zinc Plated, or other finishes upon request
  • Threads: UNC (Unified National Coarse) or UNF (Unified National Fine)
  • Standards: Compliant with ASME B18.2.2 and other relevant international standards
  • Corrosion Resistance: Suitable for indoor applications; plated options offer enhanced protection.
  • Reusability: Designed for multiple installations and removals without significant thread wear.

Detailed Technical Specifications

Nominal Size (Inches) Width Across Flats (Inches) Width Across Corners (Inches) Height (Inches) Proof Load (psi) Typical Applications
1/4 7/16 0.505 7/32 5,400 Furniture, light fixtures
5/16 1/2 0.577 17/64 5,400 Automotive components, machinery
3/8 9/16 0.650 21/64 5,400 Structural frameworks, general fabrication
7/16 5/8 0.722 3/8 5,400 Agricultural equipment, trailers
1/2 3/4 0.866 7/16 5,400 Heavy machinery, construction

Material and Mechanical Properties

Property Specification
Material Composition Low Carbon Steel (AISI 1008/1010 equivalent)
Hardness (Brinell) 159 HB Max
Tensile Strength 74,000 psi Min
Proof Load Stress 5,400 psi
Operating Temperature Range -50°F to +250°F (-45°C to +121°C)

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