S-90012A220 M3 x 9 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
- Superior corrosion resistance with 6061 aluminum construction for long-lasting performance in demanding environments
- Precise Class 6H thread fit ensures reliable, vibration-resistant connections in metric assemblies
- External hex drive design provides excellent torque transmission and easy installation with standard tools
- Fully threaded construction offers maximum engagement strength and versatile positioning along the entire length
- Coarse 0.5 mm pitch threading enables quick assembly and disassembly while maintaining secure fastening
- Compact 6mm width x 9mm length profile delivers space-saving performance without compromising strength
- RoHS 3 compliance meets international environmental standards for safe use in regulated industries
Professional Applications & Engineering Value
This M3 coupling nut delivers exceptional engineering value in metric applications where reliable threaded connections are critical. The 6061 aluminum construction provides excellent strength-to-weight ratio while offering natural corrosion resistance, eliminating the need for additional surface treatments in many environments. The Class 6H thread fit ensures precise engagement with mating components, preventing loosening under vibration and maintaining connection integrity in dynamic assemblies. The external hex drive design allows for high torque application using standard wrenches, making it ideal for space-constrained applications in electronics, machinery, and precision equipment where fully threaded coupling nuts provide maximum adjustability and connection security.
Specification Summary & Compliance
This coupling nut features M3 x 0.5 mm coarse pitch metric threading with Class 6H thread fit tolerance for precision engagement. The external hex drive measures 6mm across flats with a 9mm length, manufactured from 6061 aluminum. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(b) for lead as an alloying element in aluminum, meeting international environmental standards for industrial use.
