S-95065A220 5/8"-11 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through precision-engineered distorted thread technology that maintains secure fastening under extreme conditions
• Enhanced corrosion protection with zinc-plated steel construction for extended service life in harsh industrial environments
• Heavy-duty performance backed by Grade 5 strength classification, ensuring reliable performance in demanding applications
• Quick installation efficiency with standard external hex drive design and coarse UNC threads for faster assembly
• Precise thread engagement with Class 2B thread fit providing consistent, reliable locking performance
• Environmental compliance assurance meeting both RoHS 3 and REACH standards for safe industrial use
• Optimized locking mechanism featuring top lock distorted thread design for maximum security against loosening

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel locknut with distorted thread technology addresses critical vibration-induced loosening challenges in heavy machinery, automotive assemblies, and structural applications. The 5/8"-11 UNC coarse thread configuration ensures rapid installation while maintaining Class 2B thread fit precision for consistent performance. The external hex drive facilitates easy installation with standard tools, making it ideal for maintenance and production environments where reliability is paramount. The top lock distorted thread design creates permanent friction locking without compromising reusability, providing engineering solutions for equipment subjected to continuous stress and dynamic loads in industrial settings.

Specification Summary & Compliance

This heavy-duty locknut features 5/8"-11 UNC coarse threads with Class 2B thread fit tolerance, ensuring precise engagement and reliable performance. Manufactured from Grade 5 steel with zinc plating for corrosion resistance, the nut measures 15/16" width and 5/8" height. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, meeting the latest regulatory requirements for industrial components. The distorted thread locking mechanism follows industry-standard top lock design principles for secure fastening applications.