S-90268A038 1"-8 x 2 1/2" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Exceptional torque application enabled by external hex drive design for secure tightening in heavy-duty assemblies
• Reliable thread engagement with Class 2B thread fit ensuring precise, vibration-resistant connections
• Versatile connectivity through fully threaded right-hand UNC coarse thread design for extended joining applications
• Industry-standard compatibility with 1"-8 UNC coarse threading for seamless integration into existing systems
• Robust dimensional stability with standard 2 1/2" length and 1 3/8" width for consistent performance under load
• Compliance assurance meeting RoHS 3 and REACH environmental standards for safe industrial usage

Professional Applications & Engineering Value

This 1"-8 UNC coupling nut delivers critical engineering solutions for demanding industrial applications where extended connections and corrosion resistance are paramount. Manufactured from 18-8 stainless steel, it provides excellent protection against rust and chemical degradation in marine, chemical processing, and outdoor installations. The fully threaded design with coarse UNC threading allows for maximum thread engagement across longer spans, solving alignment challenges in structural frameworks, piping systems, and machinery assemblies. The external hex drive enables high-torque installation with standard tools, preventing slippage during critical fastening operations. This combination of material durability and Class 2B thread precision ensures reliable performance in vibration-prone environments, reducing maintenance frequency and downtime in industrial operations.

Specification Summary & Compliance

This coupling nut features 1"-8 UNC coarse threading with Class 2B thread fit for consistent dimensional accuracy and reliable engagement. The standard coupling nut profile with external hex drive and right-hand thread direction follows industry-standard specifications. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory compliance for industrial fastener applications.