China Square Nut Manufacturer, Supplier, Factory

High-Performance Square Nuts for Demanding Applications

When your assembly requires a low-profile, four-sided fastening solution, the square nut is an excellent choice. Its design prevents rotation, making it ideal for use with square holes or in channels, eliminating the need for a separate locking mechanism. While a Hexagon Nut is common for general-purpose applications, the square nut offers superior resistance to turning in specific settings. For projects demanding a wider bearing surface and integrated washer, consider a Hexagon Flange Nut. In situations where vibration is a concern and a secure, non-loosening fit is critical, a Lock Nut provides the necessary security. Finally, for a finished appearance and protection of external threads, a Cap Nut is the preferred option.


Detailed Specifications of Our Square Nut

The Square Nut is engineered for precision and durability across a wide range of industrial and construction applications. Manufactured from high-grade materials, it ensures reliable performance under significant stress. Below are the critical product parameters for this component.

  • Materials: Available in Carbon Steel, Stainless Steel (Grades 304 & 316), and Brass.
  • Finishes: Zinc Plated, Hot-Dip Galvanized, Black Oxide, and Plain.
  • Standards: Compliant with ASME B18.2.2, DIN 557, and ISO 4034 standards.
  • Temperature Range: Suitable for operating temperatures from -50°F to +450°F (-45°C to +232°C), depending on material.
  • Corrosion Resistance: Excellent resistance, particularly in Stainless Steel and Hot-Dip Galvanized variants.
Nominal Size (inches) Width Across Flats (inches) Thickness (inches) Thread Pitch (UNC) Approx. Weight per 1000 Pieces (lbs)
1/4 1/2 7/32 20 4.5
5/16 5/8 17/64 18 9.2
3/8 3/4 21/64 16 16.8
1/2 1 3/8 13 42.5
5/8 1 1/4 35/64 11 88.0
3/4 1 1/2 21/32 10 155.0

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