S-90465A210 1/4"-20 x 7/8" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to brass construction, ensuring long-lasting performance in humid or chemically aggressive environments
• Easy installation and removal with external hex drive design, allowing for quick assembly using standard wrenches
• Reliable thread engagement through fully threaded UNC coarse pattern, providing consistent load distribution and vibration resistance
• Precise dimensional accuracy with Class 2B thread fit, guaranteeing secure connections and reducing the risk of cross-threading
• Enhanced durability from robust 7/8" length and 3/8" width, offering increased strength for demanding coupling applications
• Compliance with global safety standards including RoHS 3 and REACH, ensuring safe use in regulated industrial sectors
• Versatile right-hand threading compatible with standard UNC components, simplifying inventory and replacement processes

Professional Applications & Engineering Value

This 1/4"-20 UNC brass coupling nut delivers exceptional engineering value by addressing common industrial challenges such as component misalignment and corrosion-induced failure. The Class 2B coarse threading ensures rapid assembly while maintaining tight tolerances, reducing installation time in production lines. Made from high-quality brass material, it resists galvanic corrosion when connecting dissimilar metals, extending service life in plumbing, electrical, and machinery applications. The fully threaded design with external hex drive provides uniform stress distribution, preventing joint loosening under vibration—critical in automotive and HVAC systems. Its compliance with RoHS and REACH standards makes it suitable for environmentally sensitive projects, offering reliability without compromising safety.

Specification Summary & Compliance

This coupling nut adheres to UNC thread standards with Class 2B thread fit for precise dimensional accuracy and smooth engagement. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring it is free from hazardous substances. The product features a coarse thread spacing and right-hand thread direction, manufactured to consistent industrial specifications for reliable performance in coupling applications.