S-90104A007 5/16"-18 x 1" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments like marine or chemical processing
• Reliable, vibration-resistant connections due to fully threaded design and coarse UNC thread pattern for secure fastening
• Easy installation and removal with standard external hex drive, compatible with common wrenches for efficient assembly
• Precise thread engagement ensured by Class 2B thread fit, reducing cross-threading risks and improving joint integrity
• Durable, long-lasting performance in demanding applications, maintaining strength under mechanical stress and temperature variations
• Compliance with environmental regulations including RoHS 3 and REACH, making it suitable for global industrial supply chains
• Versatile coupling capability with 1" length and 5/16"-18 thread size, accommodating various rod or bolt connections in assemblies

Professional Applications & Engineering Value

This 316 stainless steel coupling nut delivers critical value in industrial settings where corrosion resistance and thread reliability are paramount. Its fully threaded UNC coarse thread design ensures maximum grip and load distribution, preventing loosening under vibration in machinery, conveyor systems, or structural frameworks. The external hex drive allows for straightforward torque application with standard tools, reducing installation time in assembly lines or maintenance operations. Engineered with a Class 2B thread fit, it minimizes the risk of thread damage during repeated use, enhancing service life in applications like piping, automotive components, and marine equipment. By combining high-grade material with precise manufacturing, this nut addresses common failure points such as rust-induced seizing or thread wear, offering a dependable solution for long-lasting connections in corrosive or high-stress environments.

Specification Summary & Compliance

This coupling nut adheres to UNC thread standards with a 5/16"-18 coarse thread and Class 2B thread fit for consistent dimensional accuracy. It features a standard profile with a 7/16" width and 1" length, manufactured from 316 stainless steel for durability. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.