S-90715A224 1"-12 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance with nylon insert locking mechanism that maintains secure fastening under dynamic loads
• Exceptional corrosion resistance provided by 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Reliable high-temperature performance with nylon insert rated for continuous service up to 220°F (104°C)
• Precise fine-thread engagement with UNF 1"-12 thread pattern and Class 2B fit for secure, accurate fastening
• Easy installation and removal with standard external hex drive design compatible with common wrench tools
• Environmental compliance assurance meeting RoHS 3 and REACH standards for restricted substance control
• Durable locking performance with reusable nylon insert that maintains locking capability through multiple installations

Professional Applications & Engineering Value

This 316 stainless steel nylon insert locknut delivers critical vibration resistance in demanding industrial applications where fine-thread UNF fastening is required. The combination of marine-grade 316 stainless steel and precision Class 2B threads ensures reliable performance in corrosive environments including chemical processing, marine equipment, and food processing machinery. The nylon insert locking mechanism provides consistent clamping force without damaging mating threads, making it ideal for equipment subject to constant vibration, thermal cycling, or dynamic loading conditions. Engineers specify this external hex locknut for applications requiring repeated disassembly and reassembly while maintaining locking integrity, from heavy machinery to precision instrumentation.

Specification Summary & Compliance

This locknut features 1"-12 UNF fine threads with Class 2B thread fit for precise engagement, standard external hex drive (1 7/16" width), and measures 1 3/64" in height. Manufactured to industry standards for nylon insert locknuts, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and restricted substance compliance for global industrial applications.