S-94640A680 3/4"-16 Weld Nuts

Key Features & Benefits at a Glance

• Exceptional Durability: Made from 4130 Alloy Steel for superior strength and resistance to wear in demanding industrial environments.
• Precision Thread Fit: Class 2B fine threading ensures smooth, reliable engagement and reduces the risk of cross-threading during assembly.
• Optimized for Tube Systems: Specifically designed for 1-3/8" OD tubes with 0.12" wall thickness, providing a secure and leak-resistant connection.
• Full Thread Engagement: Fully threaded right-hand design allows for maximum adjustability and consistent clamping force across the entire nut length.
• Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global industrial applications.
• Fine Thread Advantage: 3/4"-16 UNF thread spacing offers improved vibration resistance and higher torque retention compared to coarse threads.
• Seamless Integration: Ready for welding onto tube ends, this nut simplifies installation and enhances structural integrity in fabricated assemblies.

Professional Applications & Engineering Value

This 3/4"-16 UNF Tube End Weld Nut is engineered to address critical challenges in industrial tube and piping systems, where secure, leak-proof connections are paramount. Crafted from 4130 Alloy Steel, it delivers high tensile strength and fatigue resistance, making it ideal for heavy-duty applications in automotive, aerospace, and hydraulic systems. The fully threaded, right-hand UNF fine thread design ensures precise alignment and uniform load distribution, minimizing stress concentrations that can lead to failure. Its compatibility with 1-3/8" OD tubes and 0.12" wall thickness allows for robust performance in high-pressure environments, while the Class 2B thread fit guarantees consistent engagement without backlash. By integrating this weld nut, engineers achieve reliable, long-lasting assemblies that withstand vibration, corrosion, and operational stresses, enhancing overall system safety and efficiency.

Specification Summary & Compliance

This tube end weld nut features a 3/4"-16 UNF fine thread with Class 2B thread fit per unified thread standards, ensuring dimensional accuracy and interchangeability. The nut is fully threaded with a right-hand direction and measures 1-7/8" in height. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to environmental and safety requirements for industrial components.