S-95030A220 9/16"-12 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance with cotter pin locking mechanism that prevents loosening under extreme conditions
• Enhanced corrosion protection through zinc plating for extended service life in harsh industrial environments
• Quick installation and removal with standard external hex drive compatible with common wrench tools
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance in assembly operations
• Heavy-duty construction using steel material for maximum load-bearing capacity in demanding applications
• Secure fastening solution with 7/64" cotter pin diameter providing positive mechanical locking
• Industry-standard compatibility with 9/16"-12 UNC coarse threads for versatile use across equipment and machinery

Professional Applications & Engineering Value

This 9/16"-12 UNC castle locknut delivers critical safety and reliability in high-vibration environments where fastener failure is not an option. The zinc-plated steel construction provides essential corrosion resistance while maintaining the strength required for heavy machinery, agricultural equipment, and automotive applications. The cotter pin locking mechanism offers a fail-safe solution that prevents rotational loosening, making it ideal for wheel assemblies, axle systems, and other critical joints. The external hex drive enables efficient installation and maintenance with standard tools, while the coarse UNC threads ensure quick assembly and disassembly in field service conditions. This combination of durable materials and positive locking design addresses the fundamental challenge of maintaining fastener integrity in dynamic load applications.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit for consistent performance across UNC threaded components. The nut features a 7/8" width and 31/64" height with 7/64" cotter pin diameter compatibility. This product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use across various industrial sectors. The right-hand thread direction and coarse thread spacing provide reliable fastening performance in accordance with industrial standards for locknut applications requiring maximum security and durability.