S-94640A229 5/8"-18 Weld Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance and strength from 4130 alloy steel construction for extended service life in demanding environments
• Precise left-hand threading prevents accidental loosening in reverse-rotation applications, enhancing operational safety
• Class 2B thread fit ensures smooth, reliable engagement with mating components, reducing assembly time and improving connection integrity
• Optimized for 1" tube OD with 0.058" wall thickness for perfect fitment in hydraulic, pneumatic, and structural tubing systems
• Full threading provides maximum grip length for superior load distribution and vibration resistance
• Compliance with RoHS 3 and REACH regulations guarantees environmental responsibility and global market acceptability
• UNF fine thread spacing delivers enhanced sealing capability and better tension control in high-pressure applications

Professional Applications & Engineering Value

This left-hand tube end weld nut solves critical challenges in industrial systems where reverse-thread security is paramount. Manufactured from 4130 alloy steel, it delivers exceptional tensile strength and fatigue resistance for high-vibration environments like hydraulic assemblies, machinery, and aerospace tubing. The UNF fine threading and Class 2B thread fit ensure leak-proof connections in pressurized systems while the specialized left-hand direction prevents unintended disassembly in rotating equipment. Engineered specifically for 1" OD tubing with 0.058" wall thickness, it eliminates compatibility issues in fluid transfer and structural support applications, providing engineers with a reliable, precision-machined solution that withstands extreme operational demands.

Specification Summary & Compliance

This weld nut features 5/8"-18 UNF left-hand fine threading with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. The fully threaded 1-1/2" length provides complete engagement coverage. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming hazardous substance restriction adherence. Designed specifically for 1" tube OD and 0.058" wall thickness applications in inch measurement systems.