S-90264A290 1 1/2"-6 x 3 1/2" Coupling Nuts

Key Features & Benefits at a Glance

• Enhanced load distribution through full UNC coarse threading for superior grip and reduced risk of thread stripping
• Exceptional corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Precision thread alignment with Class 2B thread fit ensuring smooth assembly and reliable connections
• High-torque installation capability featuring external hex drive for secure fastening with standard tools
• Versatile coupling performance with standard profile design accommodating various industrial rod and pipe applications
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
• Optimized dimensional stability with 2" width and 3 1/2" length providing consistent performance in heavy-duty assemblies

Professional Applications & Engineering Value

This heavy-duty coupling nut delivers critical engineering solutions for industrial assembly challenges where extended-length fastening is required. The zinc-plated steel construction provides essential corrosion protection while maintaining high tensile strength, making it ideal for structural frameworks, machinery assembly, and piping systems exposed to demanding conditions. The 1 1/2"-6 UNC coarse threading with Class 2B thread fit ensures rapid installation and reliable performance in vibration-prone applications, while the fully threaded design allows for adjustable positioning and maximum thread engagement. The external hex drive style facilitates high-torque installation using standard wrenches, streamlining maintenance and assembly processes in industrial settings.

Specification Summary & Compliance

This coupling nut features 1 1/2"-6 UNC coarse threading with Class 2B thread fit precision manufactured to inch system standards. The fully threaded right-hand configuration and standard coupling nut profile ensure consistent performance across industrial applications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial components. Dimensional specifications include 2" width across flats and 3 1/2" length for reliable coupling performance in extended fastening applications.