S-90047A170 1"-8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through innovative center lock distorted thread design that maintains secure fastening under dynamic loads
• Excellent corrosion resistance provided by 18-8 stainless steel construction for long-lasting performance in harsh environments
• Maximum torque application capability with external hex drive design that prevents tool slippage during installation
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
• Heavy-duty construction with 1½" width and 55/64" height providing substantial bearing surface for demanding applications
• Industry compliance assurance meeting both RoHS 3 and REACH environmental standards for global industrial use
• Coarse thread advantage with 1"-8 UNC configuration offering faster assembly and reduced cross-threading risk

Professional Applications & Engineering Value

This 1"-8 UNC center lock distorted thread locknut delivers exceptional engineering value through its unique distorted thread locking technology that creates consistent friction along the thread engagement path. Manufactured from 18-8 stainless steel, this external hex locknut provides outstanding corrosion resistance while maintaining structural integrity in demanding environments. The coarse thread design combined with Class 2B thread fit ensures reliable performance in high-vibration applications such as heavy machinery, construction equipment, and transportation systems. The center lock mechanism distributes locking pressure evenly, preventing thread damage while maintaining secure fastening through thermal cycling and mechanical stress, making it ideal for industrial applications where vibration-induced loosening poses significant safety and maintenance concerns.

Specification Summary & Compliance

This heavy-duty locknut features Class 2B thread fit per UNC standards with 1"-8 coarse thread configuration and right-hand thread direction. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring global compliance for industrial applications. The external hex drive design provides optimal torque transmission, while the distorted thread locking mechanism maintains secure fastening without requiring additional locking components. Dimensional specifications include 1½" width and 55/64" height for consistent performance across industrial applications.