S-94640A306 5/8"-18 Weld Nuts
Weld Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional strength and durability from 4130 alloy steel construction, ideal for demanding industrial applications
- Secure reverse-threading performance with left-hand UNF threads to prevent loosening in rotating assemblies
- Precise tube fitting compatibility designed specifically for 1-1/8" OD tubes with 0.058" wall thickness
- Superior thread engagement with Class 2B fine threading ensuring reliable, vibration-resistant connections
- Full 1-1/2" thread length provides maximum contact surface for enhanced load distribution
- Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
- Optimized weld integrity through tube-end design that maintains structural strength post-installation
Professional Applications & Engineering Value
This 5/8"-18 UNF left-hand thread tube end weld nut delivers critical engineering solutions for applications requiring reverse-threading security. The 4130 alloy steel construction provides superior tensile strength and fatigue resistance, making it ideal for hydraulic systems, pneumatic assemblies, and mechanical linkages where vibration-induced loosening is a concern. The Class 2B fine threading ensures precise engagement with mating components while the specialized tube-end design maintains wall integrity during welding operations. These precision weld nuts are particularly valuable in aerospace, automotive, and heavy equipment industries where left-hand threading provides essential safety in rotating mechanisms and prevents accidental disassembly.
Specification Summary & Compliance
This weld nut features 5/8"-18 UNF left-hand fine threading with Class 2B tolerance for optimal fit and performance. The 1-1/2" thread length and specific design for 1-1/8" OD tubes with 0.058" wall thickness ensures proper installation integrity. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming suitability for regulated industrial applications requiring material compliance documentation.
