S-90268A033 1/2"-13 x 1 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extending service life
• High-strength, reliable connections ensured by the fully threaded, right-hand UNC coarse thread design
• Efficient and secure torque application facilitated by the external hex drive style, preventing tool slippage
• Precise and consistent thread engagement with Class 2B thread fit, reducing the risk of cross-threading
• Durable, long-lasting performance in demanding applications due to the standard coupling nut profile and robust material
• Compliance with major environmental and safety regulations including RoHS 3 and REACH, ensuring suitability for regulated industries
• Versatile connectivity solution with 1/2"-13 thread size, suitable for joining threaded rods or studs in various assemblies

Professional Applications & Engineering Value

This 1/2"-13 UNC coupling nut is engineered to solve critical challenges in industrial assembly and construction. Made from 18-8 Stainless Steel, it offers excellent resistance to rust and corrosion, making it perfect for outdoor, marine, or chemical-exposed environments where fastener failure is not an option. The fully threaded design and Class 2B thread fit provide consistent, reliable engagement, reducing installation time and preventing loosening under vibration. With an external hex drive, it allows for high-torque application using standard tools, ensuring tight, secure connections in heavy-duty applications like structural frameworks, machinery, and piping systems. Its compliance with RoHS and REACH further assures that it meets stringent industrial safety and environmental standards.

Specification Summary & Compliance

This coupling nut features a 1/2"-13 UNC coarse thread with a Class 2B thread fit for precise dimensional accuracy and easy assembly. It has a standard profile, external hex drive, right-hand threading, and dimensions of 5/8" width and 1 1/4" length. The product conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in compliant industrial applications.