S-94640A285 1/2"-20 Weld Nuts

Key Features & Benefits at a Glance

• Superior strength and durability from 4130 alloy steel construction, ensuring reliable performance in demanding industrial environments
• Precise tube fitting compatibility designed specifically for 1" OD tubes with 0.095" wall thickness, eliminating installation issues
• Enhanced thread engagement with Class 2B fine UNF threading providing superior vibration resistance and secure fastening
• Optimized welding efficiency through partial threading design that simplifies alignment and reduces welding preparation time
• Long-term corrosion resistance and environmental compliance with RoHS 3 and REACH regulations
• Right-hand thread configuration for standard industrial applications and easy installation with common tools
• Extended thread length of 1 1/4" allows for deeper engagement and stronger mechanical connections

Professional Applications & Engineering Value

This 1/2"-20 UNF weld nut delivers exceptional engineering value for tube end applications in industrial settings. The 4130 alloy steel construction provides excellent strength-to-weight ratio, making it ideal for structural welding where weight reduction is critical without compromising integrity. The partially threaded design allows for precise positioning during welding operations, eliminating thread damage from spatter while maintaining full Class 2B thread integrity. The fine UNF threading ensures superior vibration resistance in high-stress environments, particularly in automotive, aerospace, and heavy equipment applications where tube fittings experience constant mechanical stress. The combination of right-hand threading and specific tube OD compatibility streamlines installation processes, reducing assembly time and labor costs while ensuring reliable, long-lasting connections.

Specification Summary & Compliance

This tube end weld nut features 1/2"-20 UNF fine threading with Class 2B thread fit tolerance for precision engagement. The nut is manufactured from 4130 alloy steel with partial threading and measures 1 1/2" in height with 1 1/4" thread length. Designed specifically for 1" OD tubes with 0.095" wall thickness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for hazardous substance restrictions.