S-90099A037 7/8"-9 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking technology that maintains secure fastening in high-motion environments
• Enhanced corrosion resistance with 18-8 stainless steel construction for extended service life in harsh industrial conditions
• Exceptional torque distribution thanks to the extra wide hex profile that prevents rounding and provides better grip
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy installation
• Optimized for heavy-duty applications through UNC coarse threading that resists loosening under extreme loads
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
• Right-hand threading compatibility for standard installation procedures and equipment

Professional Applications & Engineering Value

This nylon insert locknut delivers critical vibration-resistant performance in demanding industrial environments where constant motion threatens fastener integrity. The 18-8 stainless steel construction provides essential corrosion resistance for outdoor equipment, marine applications, and chemical processing facilities. The extra wide hex profile offers superior torque transmission, preventing tool slippage during installation and ensuring proper clamping force in heavy machinery, construction equipment, and transportation systems. The UNC coarse thread design maintains reliable performance even when exposed to dirt, debris, or minor damage, making it ideal for maintenance-intensive operations. This locknut solves the persistent challenge of fastener loosening in high-vibration applications while meeting stringent environmental compliance requirements.

Specification Summary & Compliance

This locknut features 7/8"-9 UNC coarse threading with Class 2B thread fit for precise dimensional accuracy and reliable performance. Manufactured to industry standards for external hex drive style and right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.