Overview
An Acorn Flange Nut is a specialized fastener designed to provide secure fastening with an integrated flange that distributes pressure evenly over the surface area, reducing the risk of damage to the connected parts. The acorn shape, characterized by a domed top, serves to protect the exposed threaded end from damage and corrosion, enhancing the longevity of the assembly. Manufactured through precision forging and machining processes, the Acorn Flange Nut is typically produced from high-grade materials such as stainless steel, carbon steel, or alloy steel, ensuring durability and resistance to wear under demanding industrial conditions. Its design incorporates a flange that eliminates the need for a separate washer, streamlining assembly and improving load distribution, which is critical in applications requiring vibration resistance and secure fastening.
The performance of the Acorn Flange Nut is optimized for use in automotive, machinery, and structural applications where both strength and protection of the bolt threads are essential. The nut’s flange provides a larger bearing surface, which enhances stability and reduces loosening caused by vibration. Additionally, the closed-end design of the Acorn Flange Nut prevents dirt, moisture, and other contaminants from entering the threaded area, thereby maintaining the integrity of the fastening system. This fastener is favored in environments where safety and reliability are paramount, offering advantages such as corrosion resistance, ease of installation, and improved aesthetic appearance due to its smooth, finished cap. The combination of these features makes the Acorn Flange Nut a versatile and dependable component in various industrial fastening solutions.
| Product Type | Acorn Flange Nut |
| Head Style | Domed (Acorn) 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, corrosion resistance, vibration resistance due to flange |
| Typical Applications | Automotive, machinery, structural assemblies requiring protection of bolt threads and load distribution |
| Surface Finishes | Zinc plated, black oxide, nickel plated, plain, hot-dip galvanized |
| Standards | ANSI B18.2.2, DIN 1587 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Prevents damage to bolt threads and enhances safety by covering exposed threads with a smooth, rounded cap.
Distributes load evenly to reduce stress on the fastening surface and improve joint stability.
Designed to resist loosening in high-vibration environments, ideal for automotive and machinery applications.
Available in stainless steel and coated carbon steel for enhanced durability in harsh conditions.
Offers versatility across multiple industries with sizes from M5 to M24.
Manufactured to meet ASTM and DIN standards ensuring reliable performance and interchangeability.
| Product Type | Acorn Flange Nut |
| Thread Type | Metric Coarse and Fine |
| Diameter Range | M5–M24 |
| Length Range | 10–50 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | ASTM A194, DIN 6923 |
| Surface Finish | Plain, Zinc Plated, Hot-Dip Galvanized |
| Size (Diameter) | Width Across Flats (mm) | Height (mm) |
|---|---|---|
| M5 | 8 | 7 |
| M8 | 13 | 10 |
| M12 | 19 | 15 |
| M16 | 24 | 20 |
| M24 | 36 | 30 |
