S-90264A515 9/16"-12 x 2 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Zinc-plated steel construction provides superior protection against rust and wear in demanding industrial environments.
• Robust Connection Strength: Fully threaded UNC coarse design ensures maximum thread engagement for a secure, high-strength joint between two threaded rods.
• Precise & Reliable Thread Fit: Class 2B thread fit guarantees consistent, free-spinning assembly and reduces the risk of cross-threading.
• Efficient Installation & Removal: External hex drive allows for easy application of high torque using standard wrenches, speeding up assembly and maintenance.
• Versatile Coarse Thread Application: The 9/16"-12 coarse thread is ideal for quick assembly in a wide range of general industrial and construction applications.
• Extended Coupling Length: The 2 1/8" length provides ample thread engagement for joining long rods or creating stable, extended assemblies.
• Compliant & Safe for Global Use: Meets RoHS 3 and REACH environmental standards, ensuring safety and regulatory compliance for international supply chains.

Professional Applications & Engineering Value

This heavy-duty coupling nut is engineered to solve critical connection challenges in industrial assembly, construction, and machinery. The zinc-plated steel material offers excellent corrosion resistance, extending service life in harsh conditions where moisture or chemicals are present. The fully threaded and UNC coarse thread design ensures deep, reliable engagement, preventing loosening under vibration and dynamic loads. Its standard coupling nut profile and external hex drive make it compatible with common tools, streamlining installation in tight spaces or high-volume production lines. This nut is ideal for extending threaded rods, aligning components, or creating strong, continuous linkages in structural frameworks, providing dependable performance that reduces maintenance frequency and downtime.

Specification Summary & Compliance

This coupling nut adheres to UNC (Unified Coarse Thread) standards with a Class 2B thread fit for consistent dimensional accuracy and assembly ease. Manufactured from zinc-plated steel with a standard profile, it features a 9/16"-12 coarse thread, right-hand direction, and dimensions of 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, ensuring it meets stringent environmental and safety requirements for industrial fasteners.