S-95856A245 1/4"-20 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking technology for secure fastening in high-motion environments
• Lightweight durability with 6061 aluminum construction providing excellent strength-to-weight ratio
• Reusable locking performance allowing multiple installations without compromising vibration resistance
• High-temperature capability with nylon insert rated for continuous service up to 220°F (104°C)
• Precise thread engagement with UNC coarse threads and Class 2B fit ensuring reliable installation
• Standard external hex drive for compatibility with common wrenching tools and easy installation
• Environmental compliance meeting RoHS 3 and REACH standards for industrial applications

Professional Applications & Engineering Value

This 1/4"-20 nylon insert lock nut delivers critical vibration resistance in demanding industrial applications where loosening under dynamic loads poses significant safety and performance risks. The 6061 aluminum construction provides exceptional corrosion resistance while maintaining structural integrity, making it ideal for aerospace, automotive, and machinery applications where weight reduction is crucial. The UNC coarse threads with Class 2B fit ensure smooth engagement and reliable performance even in high-vibration environments. The nylon insert locking mechanism creates consistent friction against the mating bolt, maintaining clamp force without damaging threads, allowing for multiple reuses while preserving locking effectiveness. This combination of materials and engineering addresses common failure points in industrial locking fasteners, providing a dependable solution for applications requiring repeated maintenance access.

Specification Summary & Compliance

This locknut features 1/4"-20 UNC coarse threads with Class 2B thread fit for standard industrial applications, measuring 7/16" across flats with 5/16" height. Manufactured to industry standards for external hex drive locknuts with right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications.