S-94640A140 3/8"-24 Weld Nuts

Key Features & Benefits at a Glance

• Superior tube connection integrity with precise engineering for 5/8" tube OD and 0.058" wall thickness, ensuring leak-proof and vibration-resistant joints in fluid and gas systems.
• Enhanced thread engagement and durability through UNF fine threading (3/8"-24) with Class 2B fit, providing reliable, secure fastening that resists loosening under dynamic loads.
• Optimized weldability and strength using 4130 Alloy Steel material, offering excellent corrosion resistance and high tensile strength for demanding industrial environments.
• Efficient installation and space savings with partially threaded design and 3/4" thread length, allowing for easier alignment and reduced assembly time in confined spaces.
• Long-term operational reliability with RoHS 3 and REACH compliance, ensuring environmental safety and material consistency for global supply chain requirements.
• Consistent performance in high-stress applications due to right-hand thread direction and fine thread spacing, maintaining torque retention in heavy-duty tubing systems.

Professional Applications & Engineering Value

This 3/8"-24 UNF Tube End Weld Nut is engineered to address critical challenges in industrial tube fittings and hydraulic/pneumatic systems, where secure, leak-resistant connections are paramount. Crafted from 4130 Alloy Steel, it delivers exceptional strength and fatigue resistance, preventing failure in high-pressure or vibrating environments. The partially threaded configuration and Class 2B thread fit ensure precise alignment and ease of welding, reducing installation errors and maintenance downtime. Ideal for applications in heavy-duty machinery, automotive assemblies, and aerospace tubing, this nut’s fine UNF threading and compliance with RoHS/REACH standards make it a trusted choice for engineers seeking durability, regulatory adherence, and long-term performance in corrosive or demanding conditions.

Specification Summary & Compliance

This tube end weld nut features a 3/8"-24 UNF fine thread with Class 2B thread fit for consistent dimensional accuracy and secure fastening. It is manufactured from 4130 Alloy Steel with partial threading and a thread length of 3/4", designed specifically for 5/8" tube OD and 0.058" wall thickness. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material quality for industrial use.