S-90264A117 1/2"-20 x 1 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance through zinc-plated steel construction, extending service life in harsh industrial environments
• Superior torque transmission with external hex drive design for secure installation and removal using standard tools
• Precise thread engagement with Class 2B fit fine threading (1/2"-20 UNF) ensuring reliable connections in critical assemblies
• Maximum connection strength through fully threaded design and 1-1/4" length for extended rod or bolt joining applications
• Standardized compatibility with inch-system components and standard coupling nut profile for seamless integration
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
• Optimized dimensional stability with 5/8" width providing secure wrench engagement during high-torque applications

Professional Applications & Engineering Value

This zinc-plated steel coupling nut delivers exceptional performance in demanding industrial applications where extended fastening solutions are required. The 1/2"-20 UNF fine threading with Class 2B fit ensures precise alignment and vibration resistance in machinery, automotive, and structural assemblies. The external hex drive facilitates high-torque installation without compromising the thread integrity, while the fully threaded design accommodates various engagement depths for versatile connecting applications. Engineered for heavy-duty coupling requirements, this component maintains structural integrity under sustained loads, making it ideal for extending threaded rods, joining dissimilar materials, or creating custom-length fastening solutions in construction and manufacturing environments.

Specification Summary & Compliance

This coupling nut features 1/2"-20 UNF fine threads with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and reliable performance. The component measures 1-1/4" in length with 5/8" width across flats for standard tool compatibility. Manufactured from zinc-plated steel with right-hand threading and standard coupling nut profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting current substance restriction requirements for industrial applications.