S-90977A180 7/16"-14 x 1 3/4" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength from Grade 5 steel construction ensures reliable performance in high-stress industrial environments.
• Superior corrosion resistance with zinc plating protects against rust and extends service life in demanding conditions.
• Optimized torque transmission through the external hex drive design allows for secure installation with standard tools.
• Precise thread engagement with Class 2B UNC coarse threads provides consistent, vibration-resistant connections.
• Full threading along the 1 3/4" length enables flexible positioning and strong grip across extended assemblies.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global supply chain compatibility.
• Heavy-duty coupling capability with standard profile and 5/8" width maintains alignment in rod and stud applications.

Professional Applications & Engineering Value

This 7/16"-14 UNC coupling nut delivers critical engineering value by solving alignment and strength challenges in industrial fastening systems. Manufactured from Grade 5 zinc-plated steel, it resists corrosion while maintaining structural integrity under dynamic loads. The fully threaded design and coarse thread spacing enable quick assembly and disassembly, reducing downtime in maintenance-heavy operations. With its external hex drive, installers achieve higher torque application without slippage, making it ideal for construction equipment, machinery frames, and hydraulic systems where vibration resistance and long-term reliability are paramount. The standardized Class 2B thread fit ensures compatibility with common UNC threaded rods, streamlining inventory and installation processes.

Specification Summary & Compliance

This coupling nut adheres to UNC thread standards with Class 2B thread fit for consistent dimensional accuracy. It meets Grade 5 strength classification and is manufactured with a standard coupling nut profile, 5/8" width, and 1 3/4" length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted substances and suitable for global industrial applications.