Overview
The coupling flange nut is a specialized fastener designed to securely join components in mechanical assemblies where high strength and stability are essential. Engineered with an integrated flange that acts as a built-in washer, the coupling flange nut distributes load evenly over the connected surface, reducing the risk of damage and loosening under vibration. Manufactured using precision machining and forging processes, this fastener is typically made from high-grade carbon steel, stainless steel, or alloy materials to ensure durability and corrosion resistance. The coupling flange nut’s design includes finely threaded internal grooves that provide a tight and reliable fit with corresponding bolts or studs, enhancing the overall performance of the joint. Its robust construction allows it to withstand significant mechanical stress, making it suitable for demanding industrial applications such as automotive assemblies, heavy machinery, and structural frameworks.
In addition to its load-distributing flange, the coupling flange nut offers advantages in ease of installation and maintenance, eliminating the need for separate washers and reducing assembly time. The product’s material composition is selected to meet specific environmental and operational requirements, including resistance to heat, chemicals, and wear. This versatility makes the coupling flange nut a preferred choice in sectors like construction, manufacturing, and energy, where reliable fastening solutions are critical. The coupling flange nut’s combination of strength, stability, and corrosion resistance ensures long-lasting performance, contributing to the safety and efficiency of mechanical systems. Its widespread use across various industries underscores its importance as a fundamental component in precision fastening applications.
| Product Type | Coupling Flange Nut |
| Head Style | Flanged Hexagonal Head |
| 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 | M6 to M24 (Metric), 1/4″ to 1″ (Imperial) |
| Strength Features | High Tensile Strength, Vibration Resistant Flange |
| Typical Applications | Pipe Couplings, Mechanical Assemblies, Heavy Machinery |
| Surface Finishes | Zinc Plated, Black Oxide, Hot Dip Galvanized |
| Standards | DIN 6923, ISO 4161, ANSI B18.2.2 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Manufactured to withstand high tensile loads and pressure in demanding flange connections.
Available in stainless and alloy steels to resist corrosion in harsh environments.
Ensures accurate fit and secure fastening with minimal loosening under vibration.
Available in multiple diameters and lengths to suit various flange specifications.
Meets ASTM and ASME standards for quality and performance assurance.
Surface treatments enhance resistance to wear and environmental factors.
| Product Type | Coupling Flange Nut |
| Thread Type | Unified National (UNC/UNF), Metric |
| Diameter Range | M16 to M64 |
| Length Range | 20 mm to 150 mm |
| Available Materials | Carbon Steel, Stainless Steel, Alloy Steel |
| Manufacturing Standards | ASTM A194, ASME B16.5 |
| Surface Finish | Plain, Zinc Plated, Hot-Dip Galvanized |
| Diameter (mm) | Width Across Flats (mm) | Height (mm) |
|---|---|---|
| M16 | 24 | 20 |
| M24 | 36 | 30 |
| M36 | 55 | 45 |
| M48 | 70 | 60 |
| M64 | 95 | 80 |
