S-94640A660 5/8"-18 Weld Nuts

Key Features & Benefits at a Glance

• Exceptional strength and durability from 4130 Alloy Steel construction, ideal for high-stress industrial environments
• Precise tube mounting compatibility with 1 3/8" tube OD and 0.12" wall thickness for secure, leak-resistant connections
• Superior thread engagement with Class 2B thread fit ensuring reliable fastening and vibration resistance
• Optimized installation efficiency through partial threading design that reduces assembly time and material usage
• Fine UNF thread spacing providing enhanced load distribution and superior clamping force in critical applications
• Right-hand thread direction for standard installation procedures and compatibility with common tools
• Regulatory compliance assurance with RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

This 5/8"-18 UNF tube end weld nut delivers exceptional engineering value in demanding industrial applications where tube connections require maximum reliability. The 4130 Alloy Steel construction provides superior tensile strength and fatigue resistance, solving common failure points in hydraulic systems, pneumatic assemblies, and structural frameworks. The partial threading design minimizes stress concentration while the Class 2B thread fit ensures consistent engagement in high-vibration environments. Engineered specifically for 1 3/8" tube OD applications, this weld nut prevents leakage and maintains structural integrity in critical fluid transfer systems, making it ideal for aerospace, automotive, and heavy machinery applications where precision and durability are paramount.

Specification Summary & Compliance

This tube end weld nut features 5/8"-18 UNF fine threading with Class 2B thread fit tolerance for precision engagement. The inch measurement system ensures compatibility with standard industrial specifications. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming the absence of restricted hazardous substances. The nut is designed for tubes with 1 3/8" outer diameter and 0.12" wall thickness, maintaining dimensional accuracy across production batches for consistent performance in welded assembly applications.