S-90012A106 1/4"-20 x 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
- Superior corrosion resistance with 6061 aluminum construction, ideal for harsh industrial environments
- Enhanced assembly efficiency through fully threaded UNC coarse design for faster installation
- Secure torque transmission with external hex drive providing reliable grip for standard tools
- Precision thread engagement with Class 2B fit ensuring consistent, vibration-resistant connections
- Environmental compliance assurance meeting REACH and RoHS 3 standards for global applications
- Optimized strength-to-weight ratio from aluminum material reducing component weight without sacrificing performance
- Versatile connectivity with 1/4"-20 right-hand threading compatible with standard industrial components
Professional Applications & Engineering Value
This 6061 aluminum coupling nut delivers exceptional engineering value in demanding applications where weight reduction and corrosion resistance are critical. The fully threaded UNC coarse design enables rapid assembly in production environments, while the external hex drive ensures secure torque application without stripping. Particularly valuable in aerospace, automotive, and machinery assemblies, the Class 2B thread fit maintains precise alignment and prevents loosening under vibration. The aluminum construction eliminates galvanic corrosion concerns when connecting similar materials, and the REACH and RoHS 3 compliance ensures regulatory acceptance for international projects. These features combine to solve common industrial challenges of component weight, assembly speed, and environmental durability.
Specification Summary & Compliance
This coupling nut features 1/4"-20 UNC coarse threading with Class 2B thread fit for precision engagement. Dimensions include 3/8" width across flats and 7/8" length for standard applications. Manufactured to industry standards for external hex drive coupling nuts, the component is fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) with exemption 6(b)-II for lead as an alloying element in aluminum machining applications.
