S-94640A320 7/16"-20 Weld Nuts

Key Features & Benefits at a Glance

• Superior tube connection integrity with precise 7/8" tube OD compatibility for leak-proof performance in fluid and gas systems
• Exceptional durability and fatigue resistance thanks to 4130 Alloy Steel construction that withstands high-stress industrial environments
• Reliable fine-thread engagement with 7/16"-20 UNF partially threaded design providing vibration resistance and secure fastening
• Precision thread fit consistency with Class 2B thread specifications ensuring smooth assembly and reduced cross-threading risks
• Optimized thread length design featuring 1-1/8" partially threaded section for balanced strength and installation flexibility
• Comprehensive regulatory compliance meeting RoHS 3 and REACH standards for global manufacturing and environmental safety requirements
• Right-hand thread standardization enabling straightforward installation and compatibility with standard industrial equipment

Professional Applications & Engineering Value

This 4130 Alloy Steel tube end weld nut delivers critical performance in demanding hydraulic, pneumatic, and structural tubing systems where vibration resistance and pressure integrity are paramount. The 7/16"-20 UNF fine threading with Class 2B thread fit ensures precise engagement with mating components, minimizing the risk of leakage in high-pressure applications. Engineered specifically for 7/8" OD tubing with 0.083" wall thickness compatibility, this partially threaded weld nut provides optimal stress distribution while the 1-1/8" thread length offers sufficient engagement for secure connections. The right-hand thread direction maintains industry standardization for efficient assembly in automotive, aerospace, and industrial machinery applications where reliable tube fittings are essential for system safety and longevity.

Specification Summary & Compliance

This tube end weld nut features 7/16"-20 UNF fine threading with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. The partially threaded design provides 1-1/8" of usable thread length with a total height of 1-1/2". Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental compliance and material safety for global industrial applications. The nut is engineered for compatibility with 7/8" OD tubing having 0.083" wall thickness, delivering reliable performance in high-strength connection scenarios.