S-90012A130 7/8"-9 x 2 1/2" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 6061 aluminum construction for extended service life in harsh industrial environments
• Exceptional thread engagement through fully threaded UNC coarse design ensures secure connections between threaded rods
• Precise Class 2B thread fit guarantees consistent performance and reliable assembly in demanding applications
• Easy installation and removal with external hex drive design compatible with standard wrench tools
• Heavy-duty joining capability with 2½" length providing ample thread engagement for robust connections
• Right-hand threading compatibility with standard industrial components for seamless integration
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements

Professional Applications & Engineering Value

This 6061 aluminum coupling nut delivers critical engineering advantages in industrial assembly scenarios where corrosion resistance and lightweight strength are paramount. The 7/8"-9 UNC coarse threads with Class 2B fit provide exceptional vibration resistance and load distribution when joining threaded rods in construction, machinery, and structural frameworks. The fully threaded design ensures maximum engagement length, preventing loosening under dynamic loads while the external hex drive facilitates quick installation with standard tools. Particularly valuable in applications requiring non-magnetic properties or weight reduction without compromising tensile strength, this coupling solution addresses common challenges of galvanic corrosion and assembly efficiency in industrial hardware configurations.

Specification Summary & Compliance

This precision coupling nut maintains Class 2B thread fit per UNC standards with 7/8"-9 coarse threading and right-hand direction. Manufacturing adheres to inch system specifications with dimensions of 2½" length and 1¼" width across flats. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety standards are met for industrial distribution and use.