S-90264A116 1/2"-13 x 1 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Exceptional thread compatibility with Class 2B thread fit ensuring reliable connections with mating components
• Optimized installation efficiency through external hex drive design for standard wrench compatibility
• Enhanced load distribution with fully threaded design providing maximum engagement strength
• Reliable coarse threading (13 TPI) that resists loosening under vibration and dynamic loads
• Standardized dimensions (1-1/4" length, 5/8" width) ensuring interchangeability across industrial systems
• Regulatory compliance meeting RoHS 3 and REACH standards for global manufacturing applications

Professional Applications & Engineering Value

This heavy-duty coupling nut addresses critical challenges in industrial assembly where extended-length fastening solutions are required. The zinc-plated steel construction provides essential corrosion protection for machinery, structural frameworks, and equipment subjected to demanding environmental conditions. The 1/2"-13 UNC coarse threading with Class 2B thread fit delivers superior engagement with mating components while resisting vibration-induced loosening - a common failure point in dynamic industrial applications. The external hex drive style enables high-torque installation using standard tools, making it ideal for connecting threaded rods, hydraulic components, and structural elements where reliable coupling connections are paramount for system integrity and operational safety.

Specification Summary & Compliance

This coupling nut features precision UNC coarse threading (1/2"-13) with Class 2B thread fit tolerance, ensuring consistent performance across industrial applications. The standard coupling nut profile with right-hand threading and fully threaded design provides maximum thread engagement. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental responsibility and chemical safety compliance for global industrial use.