S-90104A005 1/4"-20 x 7/8" Coupling Nuts
Coupling Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
- Reliable thread engagement with Class 2B fit ensuring consistent, secure connections and reducing the risk of cross-threading
- High-strength durability for heavy-duty connecting tasks, supporting robust assemblies in demanding industrial settings
- Easy installation and removal with a standard external hex drive and coarse UNC threading, compatible with common tools
- Full threading along the 7/8" length provides maximum grip and uniform load distribution for enhanced joint integrity
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets international standards for hazardous substances
- Versatile right-hand threading allows for straightforward use in standard assembly processes, improving workflow efficiency
Professional Applications & Engineering Value
This 316 stainless steel coupling nut is engineered to address common industrial challenges, such as corrosion-induced failures and inconsistent thread performance. Its UNC coarse thread and Class 2B fit deliver precise alignment and secure fastening in heavy-duty connecting applications, from machinery assembly to structural frameworks. The fully threaded design ensures even stress distribution, minimizing the risk of loosening under vibration or load. Ideal for use in marine, chemical processing, and construction environments, it provides long-term reliability and reduces maintenance needs, supported by RoHS and REACH compliance for safe, sustainable operations.
Specification Summary & Compliance
This coupling nut adheres to UNC thread standards with a 1/4"-20 coarse thread and Class 2B thread fit for dimensional accuracy. It features a standard external hex drive and is fully threaded with right-hand direction. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets stringent environmental and safety regulations for industrial fasteners.
