S-90264A231 5/8"-11 x 2 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Reliable thread engagement through fully threaded UNC coarse threads that resist loosening under vibration and dynamic loads
• Precise mechanical connections ensured by Class 2B thread fit for consistent performance in demanding applications
• Easy installation and removal with standard external hex drive design compatible with common wrench tools
• Heavy-duty load capacity from robust 2-1/8" length and 1-1/16" width providing maximum strength for structural joining
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Versatile coupling capability with right-hand threading system suitable for various rod-to-rod connections

Professional Applications & Engineering Value

This zinc-plated steel coupling nut delivers exceptional engineering value in applications requiring extended-length fastening solutions. The 5/8"-11 UNC coarse thread configuration provides superior resistance to vibration-induced loosening, making it ideal for structural frameworks, machinery assembly, and construction applications where dynamic loads are present. The fully threaded design allows for maximum adjustability when joining threaded rods or studs, while the external hex drive ensures straightforward installation even in confined spaces. The zinc plating creates a protective barrier against oxidation and environmental degradation, significantly extending service life in industrial settings where moisture and chemical exposure are concerns. This coupling nut solves critical connection challenges by maintaining thread integrity across longer spans where standard nuts cannot reach.

Specification Summary & Compliance

This coupling nut features 5/8"-11 UNC coarse threads with Class 2B thread fit for precise dimensional accuracy and reliable engagement. Manufactured to standard coupling nut profile specifications with right-hand threading and fully threaded construction. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring adherence to international safety and substance restriction standards for industrial hardware components.