S-90715A055 1"-8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking mechanism, preventing loosening in high-motion environments
• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine applications
• High-temperature durability with nylon insert rated to 220°F, maintaining locking performance in thermal cycling conditions
• Reliable coarse threading with UNC 1"-8 specification for quick assembly and disassembly in industrial maintenance
• Precision thread fit meeting Class 2B standards for consistent engagement and reduced cross-threading risks
• Heavy-duty external hex design providing superior torque transmission and wrench access in confined spaces
• Regulatory compliance with RoHS 3 and REACH standards, ensuring environmental safety in global supply chains

Professional Applications & Engineering Value

This 316 stainless steel nylon insert locknut delivers critical vibration resistance in demanding industrial applications where constant motion threatens fastener integrity. The UNC coarse threading combined with Class 2B thread fit ensures rapid installation while maintaining precise engagement, significantly reducing assembly time in production environments. The external hex drive style accommodates standard wrenching tools for reliable torque application in confined machinery spaces. Engineered for chemical processing equipment, marine hardware, and food processing machinery, the corrosion-resistant 316 stainless steel construction withstands aggressive environments while the temperature-rated nylon insert maintains consistent locking force up to 220°F. This combination addresses common failure points in vibration-prone assemblies while meeting stringent industrial safety requirements.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 1"-8 UNC coarse threading and Class 2B thread fit for consistent performance across industrial applications. The locknut features standard external hex drive (1-7/16" width) and right-hand thread direction compatible with common assembly practices. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures adherence to international environmental and safety standards for industrial components.