S-93525A322 3/4"-10 x 2 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength from Grade 2 steel construction, providing reliable performance in demanding mechanical assemblies.
• Superior corrosion resistance with zinc plating, extending service life in humid or industrial environments.
• Easy installation and alignment with standard external hex drive, allowing for straightforward torque application using common tools.
• Secure thread engagement through fully threaded UNC coarse design, minimizing cross-threading risks and ensuring consistent load distribution.
• Quick visual inspection capability via the 3/16" sight hole, enabling efficient verification of proper thread engagement without disassembly.
• Precise thread compatibility with Class 2B fit, guaranteeing smooth mating with corresponding threaded rods or bolts.
• Regulatory compliance assurance meeting REACH and RoHS 3 standards, making it suitable for regulated industrial and international projects.

Professional Applications & Engineering Value

This 3/4"-10 coupling nut delivers critical engineering value by bridging threaded rods or extending fastener lengths in structural frameworks, machinery, and conveyor systems. Manufactured from zinc-plated steel, it combats rust and degradation in harsh operational settings, while the UNC coarse threading and Class 2B thread fit ensure rapid assembly with reduced risk of stripping. The external hex drive accommodates high-torque applications, and the integrated sight hole allows maintenance teams to confirm full engagement—minimizing downtime in industrial coupling and heavy equipment maintenance. Ideal for construction, automotive, and manufacturing sectors where durability and compliance are non-negotiable.

Specification Summary & Compliance

This coupling nut adheres to UNC thread standards with Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for environmentally regulated applications. The Grade 2 strength classification and zinc-plated steel material align with industrial fastener specifications, ensuring reliable performance under static and dynamic loads.