S-94640A360 5/8"-18 Weld Nuts

Key Features & Benefits at a Glance

• Superior strength and durability with 4130 alloy steel construction for long-lasting performance in demanding industrial environments
• Precise tube fitting designed specifically for 1 1/4" OD tubing with 0.12" wall thickness, ensuring secure and reliable connections
• Fine UNF threading (5/8"-18) with Class 2B fit provides excellent vibration resistance and prevents loosening under stress
• Optimized partial threading and 1 9/16" thread length allow for easier alignment and installation while maintaining full engagement
• Right-hand thread direction ensures compatibility with standard assembly procedures and equipment
• Environmental compliance with RoHS 3 and REACH regulations guarantees safe use in regulated industries
• Weld-ready design enables permanent, high-strength attachment to tubing systems for critical applications

Professional Applications & Engineering Value

This 5/8"-18 UNF tube end weld nut delivers exceptional engineering value for fluid and gas handling systems where reliable tube connections are critical. The 4130 alloy steel construction provides superior tensile strength and fatigue resistance, solving common failure points in high-vibration industrial environments. The Class 2B thread fit with UNF fine threading ensures precise engagement that maintains integrity under pressure fluctuations and thermal cycling. The partially threaded design allows for optimal weld placement while the specific 1 1/4" tube OD compatibility addresses exacting dimensional requirements in hydraulic, pneumatic, and process piping systems. This tube end weld nut eliminates leakage risks and connection failures in demanding applications from manufacturing equipment to transportation systems.

Specification Summary & Compliance

This weld nut features 5/8"-18 UNF fine threading with Class 2B thread fit precision and 1 9/16" thread length. Manufactured from 4130 alloy steel with partial threading and right-hand thread direction. Designed specifically for 1 1/4" tube OD applications with 0.12" wall thickness. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards for industrial use.