S-90268A032 3/8"-16 x 1 3/4" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh environments and reducing maintenance costs.
• Superior torque transfer via the external hex drive, allowing for secure installation with standard tools and minimizing the risk of stripping.
• Robust and reliable connections thanks to the fully threaded, coarse UNC thread design, providing maximum engagement and vibration resistance.
• Precise and consistent fit with Class 2B thread tolerance, ensuring smooth assembly and reducing the risk of cross-threading in industrial applications.
• Heavy-duty performance supported by a 1 3/4" length and 5/8" width, offering substantial strength for demanding mechanical loads.
• Global compliance assurance with RoHS 3 and REACH standards, guaranteeing safety and environmental responsibility for international supply chains.
• Versatile right-hand threading compatible with standard UNC components, simplifying inventory and speeding up assembly processes.

Professional Applications & Engineering Value

This 3/8"-16 UNC coupling nut is engineered to solve critical connection challenges in heavy-duty industrial applications, such as machinery assembly, structural frameworks, and extended rod connections. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, which is vital in environments exposed to moisture, chemicals, or outdoor elements, thereby extending service life and reducing downtime. The fully threaded design and coarse UNC thread ensure maximum thread engagement and load distribution, preventing loosening under vibration and dynamic stresses. Combined with the external hex drive, it allows for high-torque installation, making it ideal for applications requiring robust, reliable fastening where disassembly is infrequent. This nut delivers consistent performance in construction, automotive, and manufacturing sectors, where precision Class 2B threads and durable materials are essential for safety and efficiency.

Specification Summary & Compliance

This coupling nut adheres to UNC coarse thread standards with a Class 2B thread fit, ensuring precise dimensional accuracy and smooth assembly. It is manufactured in accordance with industry norms for inch-system fasteners, featuring a thread size of 3/8"-16, width of 5/8", and length of 1 3/4". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and meets strict environmental and safety standards for industrial use.