S-95922A116 5/8"-11 Flange Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through precision serrations that bite into surfaces, preventing loosening under dynamic loads
• Enhanced load distribution with 1 9/32" flange diameter, reducing surface pressure and material stress
• Exceptional strength and durability from Grade 8 steel construction, suitable for high-stress industrial applications
• Reliable coarse thread engagement with UNC 5/8"-11 threads and Class 2B fit for quick assembly and consistent performance
• Corrosion-resistant black-oxide finish providing protection against rust in demanding environments
• Easy installation and removal with standard external hex drive design compatible with common tools
• Compliance with environmental standards including REACH and RoHS 3, ensuring workplace safety and regulatory adherence

Professional Applications & Engineering Value

This Grade 8 black-oxide steel flange lock nut delivers critical engineering solutions for industrial applications where vibration-induced loosening compromises safety and performance. The serrated locking mechanism creates permanent friction against mating surfaces, eliminating the need for additional locking components in heavy machinery, automotive assemblies, and structural frameworks. The integrated 1 9/32" flange distributes clamping force across wider areas, preventing surface damage to softer materials while maintaining joint integrity under extreme loads. Manufactured with UNC coarse threads and Class 2B thread fit, this fastener ensures rapid installation in high-volume production environments while maintaining precision alignment. The black-oxide surface treatment provides consistent corrosion protection without compromising dimensional tolerances, making it ideal for outdoor equipment and industrial maintenance applications.

Specification Summary & Compliance

This flange lock nut features 5/8"-11 UNC coarse threads with Class 2B thread fit for standard industrial applications. Manufactured from high-strength Grade 8 steel with black-oxide finish for corrosion resistance. Dimensions include 15/16" width, 9/16" height, and 1 9/32" flange diameter. Compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards. Features right-hand thread direction and external hex drive style for compatibility with standard tools.