S-94640A289 1/2"-20 Weld Nuts

Key Features & Benefits at a Glance

• Enhanced vibration resistance through UNF fine threading and Class 2B fit, ensuring secure connections in high-stress environments
• Superior durability with 4130 alloy steel construction, providing excellent strength-to-weight ratio for demanding applications
• Optimized tube compatibility designed specifically for 1" OD tubing with 0.095" wall thickness, ensuring perfect fit and performance
• Left-hand threading capability for specialized applications requiring reverse-thread security and anti-loosening properties
• Partial threading design allows for precise positioning and improved weld integrity during installation
• Extended 1-1/4" thread length provides greater engagement depth for enhanced load distribution and connection reliability
• Full regulatory compliance with RoHS 3 and REACH standards, making it suitable for global industrial and aerospace applications

Professional Applications & Engineering Value

This tube end weld nut delivers exceptional engineering value in applications where vibration resistance and structural integrity are paramount. The 4130 alloy steel construction provides superior strength while maintaining manageable weight, making it ideal for aerospace components, hydraulic systems, and industrial machinery. The left-hand UNF fine threading with Class 2B fit ensures reliable performance in rotating assemblies where reverse-thread fasteners prevent accidental loosening. The partial threading design facilitates precise welding placement while the extended 1-1/4" thread length accommodates varying material thicknesses. Engineered specifically for 1" OD tubing with 0.095" wall thickness, this weld nut solves critical connection challenges in fluid transfer systems and structural frameworks where leak prevention and joint integrity are essential.

Specification Summary & Compliance

This tube end weld nut features 1/2"-20 UNF left-hand fine threading with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and reliable performance. The partial threading extends for 1-1/4" with an overall height of 1-1/2". Manufactured from 4130 alloy steel, the nut is specifically engineered for 1" OD tubing with 0.095" wall thickness. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial and aerospace applications worldwide.