S-90983A214 7/16"-20 x 1 3/4" 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
- Maximum load-bearing capacity with Grade 8 strength rating for demanding industrial applications
- Superior corrosion resistance through zinc-plated steel construction extending service life in harsh environments
- Precise thread engagement with Class 2B thread fit ensuring reliable connections and vibration resistance
- Enhanced torque transmission via external hex drive design for secure installation with standard tools
- Full-length threading provides maximum adjustability and connection versatility across the entire 1-3/4" length
- Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
- Fine UNF thread profile (7/16"-20) delivers superior clamping force and resistance to loosening under stress
Professional Applications & Engineering Value
This Grade 8 coupling nut delivers exceptional engineering value in applications requiring extended-length fastening solutions. The zinc-plated steel construction provides critical corrosion protection in industrial environments where moisture and chemicals are present, while the fully threaded design allows for maximum adjustability in connecting two threaded rods or components. The 7/16"-20 UNF fine thread configuration ensures superior vibration resistance and maintains clamping force under dynamic loads, making it ideal for machinery assembly, structural frameworks, and heavy equipment applications. With its external hex drive style and standard coupling nut profile, installation is straightforward using common tools, reducing assembly time and labor costs in industrial settings.
Specification Summary & Compliance
This coupling nut features 7/16"-20 UNF fine threading with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and reliable performance. Manufactured from high-strength steel with zinc plating surface treatment, the fastener meets Grade 8 strength requirements for heavy-duty applications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to international environmental and safety standards for industrial components.
