S-90654A329 3/4"-10 x 2 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength from ASTM Grade 2H steel ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Precise Class 2B thread fit guarantees smooth engagement and secure connections, minimizing cross-threading and assembly time.
• Fully threaded design allows for maximum adjustability and consistent grip along the entire length, ideal for joining long rods or studs.
• External hex drive provides superior torque application with standard wrenches, enabling quick installation and removal in confined spaces.
• Coarse UNC threading offers faster assembly and better resistance to vibration loosening compared to fine threads.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for use in global industrial markets.
• Heavy-duty 2 1/4" length accommodates substantial material thickness, providing versatile application across various project requirements.

Professional Applications & Engineering Value

This 3/4"-10 UNC coupling nut is engineered to solve critical challenges in heavy-duty industrial assemblies, such as construction frameworks, machinery linkages, and pipeline systems. Manufactured from ASTM Grade 2H steel, it delivers high clamp load retention and fatigue resistance, preventing joint failure under dynamic loads. The fully threaded, coarse-spaced UNC design ensures rapid installation and robust vibration resistance, reducing maintenance needs. With an external hex drive, it allows efficient torque transfer using common tools, streamlining workflows in time-sensitive environments. Its compliance with RoHS and REACH makes it suitable for regulated sectors, ensuring both performance and environmental responsibility.

Specification Summary & Compliance

This coupling nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets ASTM Grade 2H specifications for strength and is manufactured in accordance with industry norms. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use.