S-90045A472 5/8"-11 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through top lock distorted thread technology, preventing loosening in high-stress environments
• Excellent corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial conditions
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
• Standard external hex drive for compatibility with common tools and straightforward installation
• UNC coarse threading providing faster assembly and reduced cross-threading risks
• Environmental compliance with RoHS 3 and REACH regulations for global industrial applications
• Durable construction with precise 15/16" width and 35/64" height dimensions for consistent performance

Professional Applications & Engineering Value

This 5/8"-11 UNC locknut with distorted thread technology addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and structural applications. The 18-8 stainless steel composition provides exceptional corrosion resistance, making it suitable for outdoor equipment, marine environments, and chemical processing facilities where moisture and corrosive elements are present. The top lock distorted thread design creates permanent friction along the thread engagement, ensuring maintained clamp load without requiring additional locking devices. This external hex locknut offers straightforward installation with standard tools while delivering vibration-resistant performance that exceeds conventional fastening solutions, reducing maintenance frequency and improving operational safety in demanding applications.

Specification Summary & Compliance

This heavy-duty locknut features 5/8"-11 UNC coarse threading with Class 2B thread fit for precise dimensional accuracy and reliable performance. Manufactured to industry standards for distorted thread locknuts, the product maintains consistent quality across production batches. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. With dimensions of 15/16" width and 35/64" height, this 18-8 stainless steel locknut delivers consistent mechanical properties and corrosion resistance for industrial fastening requirements.