S-90983A241 1"-14 x 2 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
- Exceptional tensile strength with Grade 8 rating ensures reliable performance in high-stress applications, reducing the risk of joint failure.
- Superior corrosion resistance from zinc-plated steel coating extends service life in harsh industrial environments.
- Precise Class 2B thread fit guarantees smooth assembly and secure connections with minimal backlash.
- Fine 1"-14 threading provides increased load distribution and vibration resistance compared to coarse threads.
- External hex drive design allows for easy installation and removal using standard wrenches, improving maintenance efficiency.
- Fully threaded construction enables maximum engagement length for stronger, more stable rod or bolt connections.
- Compliance with RoHS 3 and REACH ensures environmental safety and meets international regulatory standards for industrial use.
Professional Applications & Engineering Value
This Grade 8 zinc-plated steel coupling nut is engineered to solve critical challenges in heavy-duty industrial assemblies, where vibration loosening and corrosion are common failures. The fine 1"-14 UNS thread with Class 2B fit offers tighter tolerances, reducing play in precision machinery, conveyor systems, and structural frameworks. The external hex drive facilitates quick installation in confined spaces, while the fully threaded profile ensures uniform stress distribution across long studs or threaded rods. Ideal for construction, automotive, and manufacturing sectors, this coupling nut maintains integrity under dynamic loads, backed by zinc plating that resists rust in humid or outdoor settings.
Specification Summary & Compliance
This coupling nut features 1"-14 fine threads with Class 2B fit per UNS standards, ensuring dimensional accuracy for consistent performance. Manufactured from zinc-plated steel, it meets Grade 8 strength requirements for high-tensile applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for global industrial use without hazardous substances.
