S-94640A770 3/4"-16 Weld Nuts

Key Features & Benefits at a Glance

• Superior tubing compatibility – Specifically engineered for 1 3/4" OD tubes with 0.12" wall thickness, ensuring perfect fit and secure connections in fluid and structural systems
• Exceptional thread precision – Class 2B thread fit provides consistent engagement and reliable torque performance, reducing assembly time and preventing cross-threading issues
• Enhanced durability in harsh environments – 4130 Alloy Steel construction offers excellent strength-to-weight ratio and corrosion resistance for long-term service in demanding industrial applications
• Optimized for welding applications – Fully threaded design with right-hand UNF fine threading ensures maximum thread contact and superior load distribution after welding
• Regulatory compliance assurance – Meets RoHS 3 and REACH environmental standards, making it suitable for global industrial projects with strict material restrictions
• Reliable fine thread performance – 3/4"-16 UNF fine thread spacing delivers superior vibration resistance and precise adjustment capabilities in critical tubing assemblies
• Streamlined installation process – 2" height provides ample gripping surface for tools while maintaining compact dimensions for space-constrained applications

Professional Applications & Engineering Value

This 3/4"-16 UNF tube end weld nut addresses critical challenges in industrial tubing systems where vibration resistance and long-term reliability are paramount. The 4130 Alloy Steel construction provides exceptional tensile strength and fatigue resistance, making it ideal for hydraulic systems, pneumatic lines, and structural frameworks subjected to dynamic loads. The Class 2B thread fit ensures precise engagement with mating components, eliminating play and preventing fluid leakage in high-pressure applications. With its fully threaded design and right-hand UNF fine threading, this weld nut maintains consistent clamping force even under extreme vibration, reducing maintenance frequency and downtime in manufacturing, automotive, and heavy equipment industries. The specialized design for 1 3/4" OD tubes with specific wall thickness requirements ensures optimal performance in custom tubing assemblies where standard fittings fall short.

Specification Summary & Compliance

This tube end weld nut features 3/4"-16 UNF fine threading with Class 2B thread fit precision, ensuring consistent dimensional accuracy per UNF standards. The manufacturing complies with industry standards for weld nut applications in inch measurement systems. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, confirming adherence to the latest substance restriction requirements. The product is specifically engineered for tubing systems requiring 1 3/4" OD compatibility with 0.12" wall thickness, maintaining precise dimensional tolerances throughout production.