S-90012A107 5/16"-18 x 1" Coupling Nuts

Key Features & Benefits at a Glance

• Superior strength-to-weight ratio from 6061 aluminum construction reduces component weight while maintaining structural integrity
• Precise Class 2B thread fit ensures smooth engagement and reliable connections in demanding applications
• External hex drive design provides excellent torque transmission and easy installation with standard tools
• Fully threaded construction offers maximum engagement length for secure coupling between threaded rods or studs
• Coarse UNC threading enables quick assembly and disassembly while resisting vibration-induced loosening
• Environmental compliance assurance with REACH and RoHS 3 certification for safe use in regulated industries
• Standard 1" length profile delivers optimal strength and versatility across various coupling applications

Professional Applications & Engineering Value

This 6061 aluminum coupling nut delivers exceptional engineering value through its fully threaded UNC coarse thread design, specifically engineered to solve common industrial fastening challenges. The Class 2B thread fit provides the perfect balance between ease of assembly and connection security, making it ideal for coupling applications where vibration resistance and reliable performance are critical. The external hex drive configuration ensures maximum torque application during installation, while the aluminum construction offers corrosion resistance without sacrificing strength. These industrial coupling nuts are particularly valuable in applications requiring weight reduction, such as aerospace components, transportation equipment, and machinery where right-hand thread coupling solutions demand both precision and durability in challenging operating conditions.

Specification Summary & Compliance

This coupling nut features precise 5/16"-18 UNC coarse threads with Class 2B fit tolerance, ensuring consistent performance across industrial applications. Manufactured to standard coupling nut profile specifications with 1" length and 7/16" width dimensions. The product maintains full compliance with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) standards with exemption 6(b)-II for lead as an alloying element in aluminum, confirming its suitability for environmentally conscious manufacturing operations and regulated industries.