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China Thick Square Nut Manufacturer, Supplier, Factory
The square nut is indispensable for heavy-duty and high-torque applications where a standard hex nut may not provide sufficient bearing surface or resistance to loosening under vibration. Our Thick square nut for track, in particular, is engineered for demanding environments such as rail tracks, heavy machinery, and structural steelwork, offering superior load distribution and enhanced security. For specialized manufacturing needs, we also supply Semi Finished Square Nuts, providing versatility for custom fabrication and finishing processes. These components are manufactured from high-grade materials to ensure durability, reliability, and long-term performance, making them the preferred choice for industrial professionals.
When specifying the Thick Square Nut for your project, it is crucial to consider its technical parameters to guarantee a perfect fit and optimal function. Below is a detailed breakdown of the standard specifications for our most common Thick Square Nut variant. Please note that custom dimensions and materials can be supplied upon request.
Technical Specifications
- Material Grade: Typically manufactured from Grade 8 Steel, Carbon Steel, or Stainless Steel (AISI 304/316).
- Finish: Options include Plain (self-color), Zinc Plated, Hot-Dip Galvanized, or Black Oxide for corrosion resistance.
- Standards: Conforms to ANSI B18.2.2, DIN 557, and other relevant international standards.
- Thread Type: Unified National Coarse (UNC), Unified National Fine (UNF), or Metric coarse and fine threads are available.
| Nominal Size (inches) | Width Across Flats (A/F) (inches) | Thickness (T) (inches) | Approx. Weight per 1000 Pieces (lbs) |
|---|---|---|---|
| 1/4" - 20 UNC | 7/16 | 1/4 | 12.5 |
| 5/16" - 18 UNC | 9/16 | 5/16 | 25.0 |
| 3/8" - 16 UNC | 11/16 | 3/8 | 45.0 |
| 1/2" - 13 UNC | 7/8 | 1/2 | 95.0 |
| 5/8" - 11 UNC | 1 1/16 | 5/8 | 185.0 |
Key Features and Benefits
- Increased Bearing Surface: The square shape and thick profile provide a larger contact area, reducing surface pressure and preventing damage to connected parts.
- Superior Vibration Resistance: The design offers excellent resistance to loosening caused by vibration, shock, or dynamic loads.
- Ease of Installation and Wrenching: The flat sides allow for secure gripping with a standard wrench, facilitating installation in tight spaces where a socket may not fit.
- High Tensile Strength: Manufactured from high-strength materials, the Thick Square Nut can withstand significant tensile and shear forces.
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