S-90104A017 1/2"-20 x 1 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Exceptional connection integrity with a fully threaded design for maximum grip and load distribution
• Precise, reliable mating ensured by Class 2B thread fit for smooth assembly and reduced risk of cross-threading
• Easy installation and removal with a standard external hex drive compatible with common wrenches
• Optimized for fine-thread applications where vibration resistance and precise adjustment are critical
• Compliance with stringent industry regulations including RoHS 3 and REACH for safe, sustainable use
• Versatile right-hand threading conforming to UNF standards for broad compatibility in industrial assemblies

Professional Applications & Engineering Value

This 316 stainless steel coupling nut is engineered to solve critical challenges in demanding industrial settings, such as chemical processing, marine equipment, and food machinery, where corrosion resistance is paramount. The fully threaded and UNF fine threading design provides superior tensile strength and vibration resistance, preventing loosening under dynamic loads. Its external hex drive allows for high-torque installation with standard tools, streamlining maintenance and reducing downtime. By utilizing a Class 2B thread fit, it ensures consistent, precise connections in assemblies requiring fine adjustments, enhancing overall system reliability and longevity in industrial fastener applications.

Specification Summary & Compliance

This coupling nut adheres to UNF thread standards with a size of 1/2"-20 and Class 2B thread fit for precise dimensional accuracy. It features a standard profile, fully threaded right-hand design, and dimensions of 5/8" width and 1 1/4" length. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.