S-90264A450 5/16"-24 x 1 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Precise thread alignment ensured by Class 2B thread fit for reliable connections and reduced assembly issues
• Enhanced torque transmission through external hex drive design for secure installation with standard tools
• Maximum engagement strength from fully threaded design that maintains consistent load distribution
• Fine thread precision with 5/16"-24 UNF threading for vibration resistance and superior clamping force
• Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Universal compatibility with right-hand thread direction conforming to industry-standard UNF specifications

Professional Applications & Engineering Value

This zinc-plated steel coupling nut delivers exceptional engineering value in applications requiring extended thread engagement and reliable connections. The Class 2B thread fit ensures precise mating with male threads, eliminating cross-threading risks in assembly lines and reducing production downtime. The fully threaded design provides maximum surface contact for superior load distribution, making it ideal for connecting threaded rods, studs, and other components in structural frameworks, machinery assemblies, and automotive applications. The external hex drive style allows for high-torque installation using standard wrenches, while the zinc plating offers sacrificial protection against corrosion in outdoor or high-moisture environments. These UNF fine thread coupling nuts maintain their integrity under vibration and dynamic loads, ensuring long-term performance in demanding industrial settings.

Specification Summary & Compliance

This coupling nut features 5/16"-24 UNF fine threading with Class 2B thread fit for precise dimensional accuracy. The standard external hex profile measures 1/2" across flats with a total length of 1-1/8". Manufacturing complies with UNF thread standards and maintains right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors.