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China Type 2 hexagonal nut Manufacturer, Supplier, Factory

When it comes to reliable fastening solutions in demanding applications, the Type 2 Hex nut stands out for its superior performance. This specific grade of Hexagon nut is engineered to provide a higher bearing surface and greater strength compared to its Type 1 counterpart. Manufactured to meet exacting standards, these nuts are the go-to choice for assemblies where vibration resistance and increased clamp load are critical. Their design ensures a more secure fit, reducing the risk of loosening under dynamic loads and enhancing the overall integrity of the connection. Whether in heavy machinery, automotive systems, or structural frameworks, the Type 2 hex nut delivers the durability and reliability that professionals trust.


The Type 2 hexagonal nut is characterized by its specific dimensional and mechanical properties, which are crucial for proper selection and application. Below are the detailed specifications presented for clarity and precision.

  • Standards: Compliant with ASME B18.2.2, DIN 934, and ISO 4032.
  • Materials: Typically manufactured from medium carbon steel, stainless steel (Grades 304 and 316), and alloy steel.
  • Finishes: Available in plain, zinc-plated, hot-dip galvanized, and other corrosion-resistant coatings.
  • Mechanical Properties: Common property classes include Grade 5, 8, and 10 for steel nuts, with corresponding proof load and hardness ratings.
Nominal Size (inches) Width Across Flats (inches) Width Across Corners (inches) Thickness (inches) Proof Load (psi) for Grade 8
1/4 7/16 0.505 7/32 120,000
5/16 1/2 0.577 17/64 120,000
3/8 9/16 0.650 21/64 120,000
1/2 3/4 0.866 7/16 120,000
5/8 15/16 1.083 35/64 120,000
3/4 1 1/8 1.299 21/32 120,000

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