S-90465A323 9/16"-12 x 2 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with high-quality brass construction, ideal for harsh industrial environments and extending service life.
• Easy and secure installation thanks to the external hex drive design, allowing for standard wrench use and reliable torquing.
• Robust thread engagement from the fully threaded, coarse UNC profile ensures a strong, vibration-resistant connection for heavy-duty applications.
• Precise and reliable fit with Class 2B thread tolerance, guaranteeing consistent performance and reducing the risk of cross-threading.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for regulated industries.
• Versatile coupling capability with a standard 2 1/8" length, designed to join two threaded rods or studs effectively in various assemblies.

Professional Applications & Engineering Value

This 9/16"-12 UNC Brass Coupling Nut is engineered to solve critical challenges in industrial assembly and maintenance. The brass material offers excellent resistance to corrosion and galvanic action, making it perfect for plumbing, marine, and chemical processing applications where moisture and corrosive agents are present. Its fully threaded, coarse UNC profile and Class 2B thread fit provide a durable, secure link between threaded components, minimizing loosening under vibration—a common issue in machinery and structural frameworks. The external hex drive simplifies installation in tight spaces, enhancing efficiency for technicians. By utilizing this coupling nut, engineers achieve long-lasting, reliable connections that withstand demanding operational conditions while adhering to strict REACH and RoHS 3 compliance for global supply chain integration.

Specification Summary & Compliance

This coupling nut adheres to UNC coarse thread standards with a Class 2B thread fit for precise dimensional accuracy and reliable performance. It is manufactured in accordance with industry specifications for inch system fasteners, ensuring compatibility with standard components. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) with exemption 6(c) for lead in copper alloy, meeting environmental and safety requirements for industrial use.