S-91034A125 5/8"-11 x 1 5/8" 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
- Superior corrosion resistance with black-oxide steel construction for extended service life in harsh environments
- Precise thread engagement with Class 2B thread fit ensuring reliable connections and reduced vibration loosening
- Maximum load distribution through fully threaded design for enhanced structural integrity
- Easy installation and removal with external hex drive compatible with standard tools
- Optimized for heavy-duty applications with coarse UNC threading providing strong holding power
- Industry-standard compatibility with 5/8"-11 UNC threading for seamless integration into existing systems
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
Professional Applications & Engineering Value
This heavy-duty coupling nut delivers exceptional performance in demanding industrial applications where reliable threaded connections are critical. The black-oxide steel construction provides superior corrosion protection, significantly extending service life in environments exposed to moisture and chemicals. The fully threaded UNC coarse thread design ensures maximum thread engagement across the entire 1-5/8" length, distributing loads evenly and preventing stress concentration. The Class 2B thread fit guarantees precise mating with corresponding male threads, reducing the risk of cross-threading and maintaining connection integrity under vibration and dynamic loads. The external hex drive allows for efficient installation using standard wrenches, making it ideal for construction, machinery assembly, and structural frameworks where accessibility may be limited.
Specification Summary & Compliance
This coupling nut features 5/8"-11 UNC coarse threading with Class 2B thread fit precision, manufactured to standard coupling nut profile specifications. The component maintains dimensional accuracy with 1-5/8" length and 1-1/16" width across flats. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and restricted substance management for industrial applications.
