S-90268A355 3/4"-16 x 2 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction for long-lasting performance in harsh environments
• Precise thread engagement with Class 2B thread fit ensuring reliable connections and reduced risk of cross-threading
• Enhanced torque application through external hex drive design for secure installation with standard tools
• Maximum connection versatility with fully threaded design accommodating various rod and bolt lengths
• Industry-standard compatibility with UNF fine threading (3/4"-16) for seamless integration with existing assemblies
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Optimized strength-to-weight ratio with 2 1/4" length providing substantial engagement while maintaining manageable size

Professional Applications & Engineering Value

This 3/4"-16 UNF coupling nut delivers critical engineering solutions where extended connections between threaded rods or bolts are required. The 18-8 Stainless Steel material provides exceptional corrosion resistance, making it ideal for applications in chemical processing, marine environments, and food processing equipment where moisture and corrosive elements are present. The Class 2B thread fit ensures precise mating with male threads, reducing installation time and preventing galling in stainless-to-stainless connections. With its fully threaded design and external hex drive, this coupling nut offers maximum adjustability and easy installation in confined spaces, serving as a reliable component in structural frameworks, machinery assembly, and precision equipment where fine thread UNF specifications are mandated for vibration resistance and accurate torque control.

Specification Summary & Compliance

This coupling nut features 3/4"-16 UNF fine threading with Class 2B thread fit per Unified Thread Standard specifications, ensuring dimensional accuracy and proper clearance for reliable assembly. The component maintains a standard coupling nut profile with dimensions of 1" width across flats and 2 1/4" length. Manufacturing complies with industry standards for right-hand threaded fasteners and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for regulated industrial and commercial applications worldwide.