Overview
The Prevailing Torque Nut is a specialized fastener designed to maintain secure assembly under conditions of vibration and dynamic loads. Its primary purpose is to provide a reliable locking mechanism that resists loosening without the need for additional locking devices. The design of the Prevailing Torque Nut typically incorporates a distorted thread or a deformed section that creates frictional resistance during installation and in service. Manufactured using high-grade steel or stainless steel, these nuts undergo precise machining and heat treatment processes to ensure optimal strength and durability. Key features include consistent torque retention, corrosion resistance, and compatibility with standard bolt sizes, making the Prevailing Torque Nut suitable for a wide range of industrial applications where joint integrity is critical.
Performance-wise, the Prevailing Torque Nut offers excellent resistance to vibration-induced loosening, which is essential in automotive, aerospace, and heavy machinery sectors. The materials used, often alloy steel or stainless steel, provide enhanced mechanical properties and environmental resilience, ensuring long service life even in harsh conditions. Applications of the Prevailing Torque Nut extend to assembly lines requiring frequent maintenance, as its locking capability reduces the risk of fastener failure. The advantages of using a Prevailing Torque Nut include improved safety, reduced downtime, and cost-effective maintenance, making it an indispensable component in precision engineering and industrial fastening solutions.
| Product Type | Prevailing Torque Nut |
| Head Style | Hexagonal Nut with Locking Feature |
| 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 | #4 to 1-1/2 inch diameter |
| Strength Features | High resistance to loosening due to vibration, maintains preload |
| Typical Applications | Automotive, Aerospace, Machinery, Structural Assemblies |
| Surface Finishes | Zinc Plated, Cadmium Plated, Black Oxide, Plain |
| ASME B18.16.6, MIL-N-25027, ISO 10511 | |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Designed to prevent loosening in high-vibration environments, ensuring joint stability and safety in critical applications.
Constructed from high-strength materials to withstand harsh conditions and repeated stress cycles.
Available in stainless steel and coated finishes to resist corrosion in diverse environments.
Offered in multiple diameters and lengths to suit various fastening requirements.
Produced with tight tolerances for consistent performance and fit.
Compatible with standard tools and equipment, facilitating quick assembly and maintenance.
| Product Type | Prevailing Torque Nut |
| Thread Type | Metric Coarse and Fine |
| Diameter Range | M5–M36 |
| Length Range | 5–50 mm |
| Available Materials | Carbon Steel, Stainless Steel, Alloy Steel |
| Manufacturing Standards | ASTM A194, DIN 985, ISO 7040 |
| Surface Finish | Zinc Plated, Plain, Passivated |
| Diameter (mm) | Width Across Flats (mm) | Height (mm) |
|---|---|---|
| M5 | 8 | 4 |
| M8 | 13 | 6.5 |
| M12 | 18 | 10 |
| M16 | 24 | 13 |
| M24 | 36 | 19 |