S-90268A421 3/8"-24 x 6" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh environments
• Exceptional connection strength from the extra long 6" profile, ideal for joining long threaded rods or studs
• Precise thread engagement with Class 2B fit ensuring smooth assembly and vibration resistance
• Optimized torque transmission through external hex drive design for secure installation with standard tools
• Enhanced thread protection with partially threaded design minimizing cross-threading risks during assembly
• Industry-standard compatibility with 3/8"-24 UNF fine threading for reliable connections in precision applications
• Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This extra long coupling nut solves critical challenges in industrial assembly where extended reach and maximum connection integrity are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance for demanding environments including marine, chemical processing, and outdoor applications. The 3/8"-24 UNF fine threading with Class 2B thread fit ensures precise engagement with mating components, while the partially threaded design prevents cross-threading damage during installation. The 6" length and external hex drive make it ideal for connecting long threaded rods in construction, machinery alignment, and structural frameworks where vibration resistance and durability are essential.

Specification Summary & Compliance

This coupling nut features 3/8"-24 UNF fine threading with Class 2B thread fit per ASME standards, ensuring precise dimensional accuracy. The 5/8" minimum thread length provides sufficient engagement for secure connections. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material traceability for industrial applications worldwide.