S-94640A244 1/2"-20 Weld Nuts

Key Features & Benefits at a Glance

• Enhanced tube system integrity with precise 1" OD tube compatibility and 0.065" wall thickness design for reliable, leak-resistant connections
• Superior material strength using 4130 Alloy Steel for excellent fatigue resistance and durability in high-stress industrial environments
• Optimized left-hand threading with 1/2"-20 UNF fine thread pattern prevents loosening under counter-clockwise motion in specialized applications
• Precision thread engagement with Class 2B fit ensures consistent mating with male threads for vibration-resistant assemblies
• Strategic partial threading allows for easier alignment during welding operations while maintaining full thread functionality
• Extended 1-1/4" thread length provides ample engagement depth for secure fastening in demanding tube systems
• Full regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing and global acceptance

Professional Applications & Engineering Value

This specialized left-hand tube end weld nut addresses critical challenges in industrial fluid and gas systems where reverse-thread applications are essential for safety and operational requirements. The 4130 Alloy Steel construction delivers exceptional strength-to-weight ratio, making it ideal for aerospace, hydraulic, and high-pressure pneumatic systems where material failure is not an option. The UNF fine threading provides superior resistance to vibration-induced loosening in dynamic applications, while the partial threading design facilitates precise positioning during welding operations without compromising thread integrity. Engineered specifically for 1" OD tubing with 0.065" wall thickness, this weld nut ensures perfect compatibility with standard tube specifications, eliminating installation issues and reducing assembly time in manufacturing and maintenance operations.

Specification Summary & Compliance

This tube end weld nut features 1/2"-20 UNF left-hand fine threading with Class 2B thread fit per Unified Thread Standard, ensuring precise dimensional accuracy and reliable mating performance. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental responsibility and material safety. With 1-1/4" thread length and 1-1/2" overall height, the nut is designed for optimal engagement in tube end applications requiring left-hand thread direction for specialized industrial assemblies.