S-90977A160 5/16"-24 x 1 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Enhanced Corrosion Resistance with zinc-plated steel construction for reliable performance in demanding industrial environments
• Superior Load-Bearing Capacity thanks to Grade 5 strength classification, ensuring secure connections under high-stress conditions
• Precision Thread Engagement with Class 2B thread fit for smooth assembly and reduced risk of cross-threading
• Optimized Torque Application through external hex drive design, allowing for secure installation with standard tools
• Versatile Connection Capability with fully threaded right-hand UNF design, ideal for joining threaded rods and studs
• Regulatory Compliance Assurance meeting RoHS 3 and REACH standards for safe use across various industries
• Fine Thread Advantage with 5/16"-24 UNF spacing providing increased adjustment precision and vibration resistance

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel coupling nut delivers exceptional engineering value through its robust construction and precision UNF fine threading. The combination of zinc-plated steel material and Class 2B thread fit addresses critical industrial challenges including corrosion prevention, vibration resistance, and long-term connection integrity. The fully threaded design with external hex drive enables quick installation and reliable performance in applications requiring extended thread engagement, such as machinery assembly, structural frameworks, and equipment maintenance. Engineered to maintain clamping force under dynamic loads, this coupling nut provides dependable service in automotive, manufacturing, and construction environments where joint reliability is paramount.

Specification Summary & Compliance

This coupling nut features precision 5/16"-24 UNF fine threading with Class 2B thread fit tolerances, ensuring consistent performance across industrial applications. Manufactured to meet Grade 5 strength requirements with dimensions of 1/2" width and 1-1/8" length. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industries and environmentally conscious applications.