S-90012A108 3/8"-16 x 1 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 6061 aluminum construction, ideal for harsh industrial environments without compromising structural integrity.
• Superior connection strength with a fully threaded design that ensures maximum engagement and load distribution across joined components.
• Easy installation and removal using standard tools, thanks to the external hex drive design that provides reliable torque application.
• Precise thread compatibility with Class 2B thread fit and UNC coarse threading, offering reliable, vibration-resistant fastening in various assemblies.
• Lightweight yet durable performance due to the aluminum material, reducing overall system weight while maintaining high tensile strength.
• Compliance with global environmental standards, including REACH and RoHS 3, ensuring safe use in regulated industrial applications.
• Versatile coarse thread profile that resists loosening under dynamic loads, enhancing longevity in mechanical and structural connections.

Professional Applications & Engineering Value

This 3/8"-16 UNC coupling nut in 6061 aluminum addresses common engineering challenges such as weight reduction and corrosion in demanding settings. The fully threaded and standard coupling nut profile ensures uniform stress distribution, preventing joint failure in industrial applications like machinery assembly, automotive frameworks, and construction supports. Its external hex drive allows for straightforward installation with common wrenches, reducing labor time. The coarse thread design provides excellent resistance to vibration loosening, while the Class 2B thread fit guarantees precise alignment and reliable performance in high-stress environments, making it a go-to solution for extending threaded rods or joining components securely.

Specification Summary & Compliance

This coupling nut features a 3/8"-16 UNC thread size with Class 2B thread fit for consistent dimensional accuracy and easy assembly. It adheres to standard inch measurement systems and is manufactured to meet industry specifications for external hex drive and fully threaded designs. The product is compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, including exemption 6(b)-II for lead as an alloying element in aluminum, ensuring environmental safety and suitability for global industrial use.