S-90264A420 8-32 x 5/8" Coupling Nuts

Key Features & Benefits at a Glance

• Corrosion-resistant zinc plating extends service life in demanding industrial environments
• Full external hex design provides superior torque transmission and easy installation with standard tools
• Class 2B thread fit ensures smooth assembly and reliable connections with mating components
• Coarse UNC threading enables quick installation and reduced cross-threading risks
• Right-hand threading offers standard, intuitive fastening direction for operational efficiency
• 5/8" length provides sufficient engagement for secure joint connections
• Environmental compliance meets RoHS 3 and REACH standards for safe industrial use

Professional Applications & Engineering Value

This zinc-plated steel coupling nut delivers exceptional performance in connecting threaded rods, studs, or other components in mechanical assemblies. The 8-32 UNC coarse thread configuration combined with Class 2B thread fit ensures reliable engagement while minimizing the risk of cross-threading during high-volume assembly operations. The fully threaded design and external hex drive allow for maximum torque application and easy access in confined spaces. Ideal for machinery, equipment manufacturing, and structural frameworks, this coupling nut maintains dimensional stability under vibration and load stresses, providing long-term connection integrity in industrial applications where consistent performance is critical.

Specification Summary & Compliance

This coupling nut features 8-32 UNC coarse threading with Class 2B thread fit per standard inch system specifications. The zinc-plated steel construction provides durable corrosion protection while maintaining mechanical strength. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe usage across various industrial sectors. Dimensions include 5/16" width across flats and 5/8" length for standardized compatibility with mating components.