S-90264A804 M3.5 x 18 mm 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
- Extended length design provides superior thread engagement for connecting longer rods or studs in structural applications
- Zinc-plated steel construction offers excellent corrosion resistance while maintaining high tensile strength in demanding environments
- Class 6H thread precision ensures reliable, vibration-resistant connections with consistent mating performance
- Fully threaded internal design allows for maximum adjustability and uniform load distribution across the entire connection
- 6mm external hex drive enables secure tool engagement and efficient installation with standard metric wrenches
- Coarse metric threading (0.6mm pitch) facilitates quick assembly and reduces cross-threading risks in production environments
- RoHS 3 compliance meets international environmental standards while maintaining mechanical performance requirements
Professional Applications & Engineering Value
This extra long coupling nut solves critical connection challenges in industrial assembly where standard nuts cannot provide sufficient thread engagement. The 18mm length and fully threaded design create reliable joints between extended rods, studs, or threaded components in machinery, framework, and equipment manufacturing. The zinc-plated steel material delivers essential corrosion protection for applications exposed to moisture or harsh conditions, while the Class 6H metric thread ensures precise fit with mating components. Engineers specify this M3.5 coupling nut for its ability to maintain connection integrity under vibration and dynamic loads, making it ideal for automotive, industrial machinery, and structural applications where failure is not an option.
Specification Summary & Compliance
This coupling nut features M3.5x0.6mm coarse metric threading with Class 6H internal thread fit per ISO standards, ensuring dimensional accuracy and reliable performance. The 18mm length and 6mm hex width provide standardized installation compatibility. Manufacturing complies with RoHS 3 (2015/863/EU) requirements under exemption 6(a)-I for lead as an alloying element in steel, meeting international environmental regulations while maintaining mechanical properties.
