S-90264A213 3/8"-16 x 1 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Superior load distribution through fully threaded design that maintains consistent strength across the entire coupling length
• Reliable mating compatibility with Class 2B thread fit ensuring smooth assembly and reduced cross-threading risks
• Optimized installation efficiency featuring external hex drive for secure tool engagement and torque application
• Broad application versatility with UNC coarse threading that resists loosening under vibration and dynamic loads
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use across global markets
• Precision dimensional control with standardized 3/8"-16 thread size for consistent performance in connecting threaded rods and studs

Professional Applications & Engineering Value

This heavy-duty coupling nut delivers exceptional engineering value in applications requiring extended connections between threaded components. The zinc-plated steel construction provides crucial corrosion protection while maintaining high tensile strength, making it ideal for structural assemblies, machinery frameworks, and industrial equipment where environmental factors threaten fastener integrity. The fully threaded UNC coarse pattern with Class 2B fit ensures reliable engagement across the entire nut length, distributing stress evenly and preventing point loading failures. Particularly valuable in right-hand thread applications, this coupling nut simplifies maintenance and assembly processes while offering superior vibration resistance compared to fine-thread alternatives. The external hex drive design accommodates standard wrenching tools, enabling efficient installation in confined spaces common to manufacturing and construction environments.

Specification Summary & Compliance

This coupling nut features precision 3/8"-16 UNC coarse threading with Class 2B thread fit per ASME standards, ensuring consistent dimensional accuracy and reliable mating performance. The manufacturing process adheres to strict quality controls for dimensional stability, with specified width of 11/16" and length of 1-1/8" maintaining tight tolerances. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and restricted substance adherence, making this fastener suitable for global industrial applications requiring certified components.