S-90977A215 3/4"-10 x 2 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength from Grade 5 steel construction, ensuring reliable performance under high-stress conditions.
• Superior corrosion resistance with zinc plating, extending service life in harsh or outdoor environments.
• Wide compatibility with 3/4"-10 UNC coarse threaded rods, facilitating easy assembly and reducing installation time.
• Secure and precise fit due to Class 2B thread tolerance, minimizing the risk of cross-threading and loosening.
• Full-length threading allows for maximum engagement depth, providing stronger, more stable connections.
• Easy installation and removal with external hex drive, compatible with standard wrenches for straightforward maintenance.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel coupling nut is engineered to address common challenges in industrial assembly, such as vibration-induced loosening and corrosion. The 3/4"-10 UNC coarse threading and Class 2B fit ensure precise alignment and robust load distribution, making it ideal for extending threaded rods in construction, machinery, and automotive frameworks. The fully threaded design and external hex drive simplify adjustments and enhance grip, reducing assembly errors. Its zinc-plated finish provides a durable barrier against moisture and chemicals, prolonging lifespan in demanding environments like manufacturing plants and infrastructure projects.

Specification Summary & Compliance

This coupling nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets Grade 5 strength specifications and is manufactured from zinc-plated steel for durability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial applications.