S-91034A130 3/4"-10 x 1 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 tensile strength from black-oxide steel construction for reliable performance in demanding industrial environments
- Superior corrosion resistance due to black-oxide surface treatment, extending service life in various operating conditions
- Precision Class 2B thread fit ensures smooth assembly and secure connections with mating components
- Full-length threading design provides maximum engagement surface for enhanced load distribution and joint integrity
- External hex drive configuration offers convenient installation and removal with standard wrench tools
- Coarse UNC thread pattern enables quick assembly and disassembly while maintaining strong holding power
- Comprehensive regulatory compliance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This heavy-duty coupling nut delivers critical engineering solutions for extending threaded rod assemblies and joining components in structural applications. The black-oxide steel construction provides enhanced corrosion protection while maintaining the high tensile strength required for load-bearing connections. The fully threaded UNC coarse pattern with Class 2B fit ensures reliable engagement across the entire 1 7/8" length, distributing stress evenly to prevent thread stripping. The external hex drive design facilitates installation in confined spaces using standard tools, making it ideal for construction, machinery assembly, and industrial equipment maintenance where durable coupling solutions are essential for long-term performance.
Specification Summary & Compliance
This coupling nut features 3/4"-10 UNC coarse threading with Class 2B thread fit precision, manufactured to standard inch system specifications. The component maintains dimensional accuracy with 1 1/4" width across flats and 1 7/8" length for consistent performance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence for industrial applications worldwide.
