S-94640A114 5/16"-24 Weld Nuts

Key Features & Benefits at a Glance

• Secure left-hand thread engagement prevents loosening under counter-clockwise motion in demanding applications
• 4130 alloy steel construction delivers excellent strength-to-weight ratio and fatigue resistance for heavy-duty industrial use
• Class 2B thread fit with UNF fine threading ensures precise, vibration-resistant connections in tube assemblies
• 7/8" partial threading provides optimal grip length while allowing clearance for welding operations
• Engineered for 3/4" OD tubes with 0.065" wall thickness delivers perfect compatibility in hydraulic and pneumatic systems
• RoHS 3 and REACH compliance guarantees environmental responsibility and global regulatory acceptance
• Weld-ready tube end design enables permanent, high-strength attachment to tubing systems

Professional Applications & Engineering Value

This left-hand thread tube end weld nut addresses critical challenges in industrial fluid systems where reverse rotation is a concern. The 4130 alloy steel composition provides superior tensile strength and durability compared to standard carbon steels, making it ideal for aircraft-grade applications and heavy machinery. The UNF fine threading with Class 2B fit maintains sealing integrity under vibration, while the partial threading allows for clean weld preparation without thread damage. Engineered specifically for 3/4" OD tubing with 0.065" wall thickness, this nut ensures leak-proof connections in hydraulic, pneumatic, and fuel line systems where reliability is non-negotiable.

Specification Summary & Compliance

This tube end weld nut features 5/16"-24 UNF left-hand fine threading with Class 2B thread fit and 7/8" thread length. Manufactured from 4130 alloy steel for optimal mechanical properties. Designed for tubing with 3/4" OD and 0.065" wall thickness. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety standards for industrial components.