S-90268A101 9/16"-12 x 2 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and outdoor applications
• Exceptional connection strength with fully threaded design ensuring maximum engagement and load distribution
• Reliable thread compatibility through Class 2B thread fit, providing consistent assembly and reduced cross-threading risks
• Easy installation and removal with external hex drive style offering standard tool access and high torque capability
• Durable coarse threading (UNC) that resists vibration loosening and withstands heavy-duty industrial stresses
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries
• Versatile coupling capability with standard profile and right-hand threading for connecting threaded rods or bars securely

Professional Applications & Engineering Value

This 9/16"-12 UNC coupling nut delivers critical performance in demanding industrial applications where corrosion resistance and tensile strength are paramount. Manufactured from 18-8 stainless steel, it effectively combats rust and chemical degradation in marine, chemical processing, and construction environments. The fully threaded and coarse thread design ensures deep engagement with mating components, preventing unintentional disassembly under vibration while accommodating minor misalignments. With its external hex drive and Class 2B thread fit, installation is streamlined using standard wrenches, reducing labor time and improving assembly reliability in structural frameworks, machinery, and piping systems.

Specification Summary & Compliance

This coupling nut adheres to UNC coarse thread standards with precise Class 2B thread fit tolerances for consistent performance. Dimensions include a 9/16"-12 thread size, 13/16" width, and 2 1/8" length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting stringent environmental and safety standards for industrial fastener applications.