S-94640A590 5/8"-18 Weld Nuts

Key Features & Benefits at a Glance

• Exceptional strength and durability thanks to 4130 alloy steel construction, ideal for high-stress industrial environments
• Precise and reliable thread engagement with Class 2B thread fit, ensuring secure fastening and reducing the risk of cross-threading
• Optimized for 1-1/8" tube systems with compatibility for 0.095" wall thickness, providing a perfect fit for standard tubing applications
• Superior vibration resistance from the UNF fine thread design, maintaining joint integrity in dynamic or high-vibration settings
• Full threading for maximum grip length allows for adjustable positioning and enhanced load distribution along the entire thread
• Compliance with stringent environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries
• Right-hand threading for standard installation simplifies assembly and is compatible with common tools and procedures

Professional Applications & Engineering Value

This 5/8"-18 UNF tube end weld nut is engineered to address critical challenges in industrial tubing and piping systems, where secure, leak-proof connections are paramount. Made from 4130 alloy steel, it offers high tensile strength and excellent fatigue resistance, making it suitable for demanding sectors like hydraulic systems, automotive assemblies, and heavy machinery. The fully threaded, right-hand UNF fine thread design ensures consistent clamping force and minimizes loosening under vibration, a common issue in dynamic applications. Its precise Class 2B thread fit guarantees smooth assembly and reduces installation time, while compatibility with 1-1/8" OD tubes and 0.095" wall thickness ensures a reliable seal and structural integrity. By integrating this weld nut into your designs, you enhance durability and performance in high-pressure or corrosive environments, supported by full RoHS and REACH compliance for global regulatory adherence.

Specification Summary & Compliance

This tube end weld nut features a 5/8"-18 UNF fine thread with Class 2B thread fit for precise dimensional accuracy, ensuring consistent performance in accordance with standard inch measurements. It is fully threaded with a right-hand direction and designed for tubes with a 1-1/8" OD and 0.095" wall thickness. The nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for hazardous substance restrictions.