S-90268A031 3/8"-16 x 1 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh environments and outdoor applications
• Exceptional torque transmission enabled by the external hex drive design, allowing for secure tightening with standard tools
• Reliable and precise thread engagement with Class 2B thread fit, ensuring consistent performance and reducing the risk of cross-threading
• Versatile and robust connectivity from the fully threaded, standard profile design, suitable for joining long threaded rods or studs
• Broad industrial compatibility due to UNC coarse threading (3/8"-16), facilitating quick assembly and disassembly
• Compliance with stringent safety standards including RoHS 3 and REACH, ensuring safe use in regulated industries
• Durable and long-lasting performance with a 1 1/8" length and 1/2" width, providing a solid grip and stable connection under heavy loads

Professional Applications & Engineering Value

This 3/8"-16 UNC coupling nut is engineered to address critical challenges in industrial assembly and construction. The 18-8 Stainless Steel material offers excellent resistance to rust and corrosion, making it suitable for applications in marine, chemical processing, and outdoor structures where environmental factors can degrade ordinary fasteners. The fully threaded and standard coupling nut profile ensures maximum thread contact when joining two externally threaded components, such as rods or bolts, providing a secure and continuous connection that withstands vibration and dynamic loads. The external hex drive allows for high torque application using common wrenches, speeding up installation in tight spaces and reducing assembly time. This design is particularly valuable in scaffolding, machinery frames, and piping systems, where reliable, long-lasting coupling nuts are essential for structural integrity and safety.

Specification Summary & Compliance

This coupling nut features a 3/8"-16 UNC coarse thread with a Class 2B thread fit, ensuring dimensional accuracy and smooth assembly. It is manufactured in accordance with standard inch system specifications for coupling nuts, with a length of 1 1/8" and width of 1/2". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for industrial fasteners.