S-91034A417 5/8"-11 x 2 1/8" 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
- Enhanced corrosion resistance with black-oxide steel coating, ideal for harsh industrial environments.
- Superior load distribution due to fully threaded design, reducing stress concentration and improving joint integrity.
- Easy installation and removal with standard external hex drive, allowing for quick assembly using common tools.
- Reliable thread engagement with UNC coarse threading (5/8"-11) and Class 2B fit, ensuring consistent performance in high-vibration applications.
- Durable construction from high-strength steel, providing long-lasting service in heavy-duty mechanical connections.
- Compliance with environmental standards, including RoHS 3 and REACH, for safe and sustainable use in global markets.
- Right-hand threading for standard directional fastening, simplifying integration into existing systems.
Professional Applications & Engineering Value
This black-oxide steel coupling nut is engineered to address common challenges in industrial assembly, such as corrosion and mechanical stress. The UNC coarse thread (5/8"-11) with Class 2B thread fit ensures precise alignment and resistance to loosening under dynamic loads, making it ideal for construction, machinery, and automotive applications. The fully threaded profile enhances load distribution across the entire length, minimizing the risk of fatigue failure. With a standard external hex drive, installation is straightforward, reducing labor time and improving efficiency in high-volume production environments. Its robust design supports reliable performance in demanding settings, from equipment manufacturing to structural frameworks.
Specification Summary & Compliance
This coupling nut features a 5/8"-11 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The nut is fully threaded and right-hand driven, adhering to standard industrial specifications for reliable integration.
