Overview
A flange nut is a specialized type of fastener designed to provide a secure and stable fastening solution by integrating a wide flange at its base. This flange acts as a built-in washer, distributing the load evenly over a larger surface area, which helps to prevent damage to the connected materials and reduces the risk of loosening due to vibration. Manufactured through precision machining and cold forging processes, flange nuts are typically made from high-grade steel, stainless steel, or alloy materials to ensure durability, corrosion resistance, and high tensile strength. The design of the flange nut often includes serrations on the flange surface, which enhance grip and prevent rotation, making it ideal for applications requiring reliable fastening under dynamic conditions. The threading of flange nuts is engineered to match standard bolt sizes, ensuring compatibility and ease of installation in various industrial settings.
Flange nuts are widely utilized across multiple industries, including automotive, construction, machinery, and heavy equipment manufacturing, where secure and vibration-resistant fastening is critical. Their robust construction and integrated flange design provide superior performance in high-stress environments, offering advantages such as reduced assembly time and improved joint stability. The materials used in flange nuts are selected to withstand harsh environmental conditions, including exposure to moisture, chemicals, and extreme temperatures, thereby extending the service life of the fastened components. Additionally, flange nuts contribute to enhanced safety and reliability in structural assemblies by minimizing the need for additional washers and reducing the risk of loosening. The combination of strength, ease of use, and resistance to loosening makes the flange nut a preferred choice for engineers and manufacturers seeking efficient and dependable fastening solutions.
| Product Type | Flange Nut |
| Head Style | Hexagonal with Integrated Flange |
| Manufacturing Process | Cold Forged and Machined |
| Thread Type | Unified National Coarse (UNC) or Unified National Fine (UNF) |
| Common Materials | Carbon Steel, Stainless Steel, Alloy Steel |
| Available Sizes | #6 to 1-1/2 inch diameter |
| Strength Features | High Tensile Strength, Vibration Resistance due to Flange |
| Typical Applications | Automotive, Machinery, Structural Assemblies |
| Surface Finishes | Zinc Plated, Black Oxide, Nickel Plated, Plain |
| ANSI B18.2.2, ISO 4161, DIN 6923 | |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Provides a larger bearing surface to distribute load evenly and reduce damage to mating surfaces during tightening.
The flange helps prevent loosening in applications subject to vibration and dynamic forces.
Available in stainless steel and coated finishes for enhanced resistance to corrosion in harsh environments.
Manufactured from carbon and alloy steels to meet demanding mechanical strength requirements.
Eliminates the need for separate washers, simplifying assembly and reducing parts count.
Suitable for automotive, construction, and industrial machinery fastening needs.
| Product Type | Flange Nut |
| Thread Type | Metric Coarse and Fine |
| Diameter Range | M5 to M36 |
| Length Range | 5 to 50 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | DIN 6923, ISO 4161, ASTM A194 |
| Surface Finish | Zinc Plated, Black Oxide, Plain |
| Diameter (mm) | Width Across Flats (mm) | Flange Diameter (mm) | Height (mm) |
|---|---|---|---|
| M5 | 8 | 14 | 4 |
| M10 | 17 | 26 | 8 |
| M20 | 30 | 48 | 16 |
| M36 | 55 | 80 | 30 |