S-94640A160 1/2"-20 Weld Nuts

Key Features & Benefits at a Glance

• Superior tube connection integrity with precise 7/8" tube OD compatibility and 0.058" wall thickness design
• Enhanced fatigue resistance through 4130 alloy steel construction for demanding industrial applications
• Reliable fine thread engagement with 1/2"-20 UNF Class 2B threading ensuring vibration-resistant connections
• Optimized partial threading (1-1/4" length) provides secure fastening while minimizing material usage
• Right-hand thread direction enables standard installation procedures and maintenance compatibility
• Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications
• Robust 1-3/8" height design offers substantial bearing surface for superior load distribution

Professional Applications & Engineering Value

This 4130 alloy steel tube end weld nut delivers critical performance in hydraulic systems, structural tubing, and industrial machinery where vibration resistance and long-term reliability are paramount. The partially threaded UNF fine thread configuration (1/2"-20) combined with Class 2B thread fit ensures precise engagement with mating components while accommodating thermal expansion and mechanical stresses. Engineered specifically for 7/8" OD tubing applications, this weld nut provides exceptional strength-to-weight ratio through its 4130 alloy composition, making it ideal for aerospace, automotive, and heavy equipment applications where failure is not an option. The optimized 1-1/4" thread length balances secure fastening with efficient material usage.

Specification Summary & Compliance

This tube end weld nut features 1/2"-20 UNF fine threading with Class 2B thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy and interchangeability. The 1-1/4" thread length and 1-3/8" overall height provide optimal engagement characteristics. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental responsibility and chemical substance management. Designed specifically for 7/8" OD tubing with 0.058" wall thickness, this fastener meets rigorous industrial requirements for tube fitting applications.