S-90045A495 3/4"-16 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through top lock distorted thread technology that maintains secure fastening in high-stress environments
• Excellent corrosion resistance provided by 18-8 stainless steel construction for extended service life in harsh conditions
• Precise thread engagement with Class 2B thread fit ensuring reliable performance and consistent torque values
• Enhanced installation efficiency with standard external hex drive design for easy tool access and straightforward installation
• Optimal load distribution through fine UNF thread spacing that provides superior holding power in critical applications
• Regulatory compliance assurance with RoHS 3 and REACH compliance meeting strict industrial safety standards
• Dimensional reliability with standardized inch measurements ensuring compatibility with existing equipment and components

Professional Applications & Engineering Value

This 3/4"-16 UNF top lock distorted thread locknut delivers exceptional engineering value in applications where vibration-induced loosening poses significant operational risks. The distorted thread locking mechanism creates controlled interference that prevents back-off under dynamic loads, making it ideal for heavy machinery, automotive assemblies, and industrial equipment subjected to constant motion. Manufactured from 18-8 stainless steel, this external hex locknut provides inherent corrosion resistance that extends service life in challenging environments while maintaining structural integrity. The fine thread spacing offers superior clamping force distribution, ensuring reliable performance in critical fastening applications where safety and precision are paramount. This combination of vibration resistance, material durability, and precise Class 2B thread fit addresses common industrial challenges of maintenance reduction and operational reliability.

Specification Summary & Compliance

This precision locknut features 3/4"-16 UNF fine threads with Class 2B thread fit for consistent engagement and reliable performance. The external hex drive design conforms to standard wrenching requirements, while the top lock distorted thread profile provides the primary locking function. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory compliance for industrial applications. Dimensional specifications include 1-1/8" width and 41/64" height, maintaining standardized measurements for compatibility across industrial fastener systems.