S-90009A229 M4 x 12 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
- Enhanced Durability & Corrosion Resistance: Zinc-plated steel construction provides reliable protection against rust and wear in demanding environments.
- High-Strength Performance: Class 8 strength grade ensures secure, vibration-resistant connections for heavy-duty applications.
- Precise Thread Engagement: Class 6H thread fit guarantees accurate mating with threaded rods, reducing the risk of cross-threading.
- Easy Installation & Removal: External hex drive style allows for quick assembly using standard wrenches, saving time on the job.
- Versatile Rod Joining: Fully threaded design enables flexible positioning and strong coupling of threaded components.
- Broad Industrial Compliance: Meets REACH and RoHS 3 standards, ensuring safety and environmental responsibility.
- Optimized Metric Sizing: M4 x 0.7mm coarse thread offers excellent grip and load distribution in metric-based assemblies.
Professional Applications & Engineering Value
This Class 8 zinc-plated steel coupling nut is engineered to solve common challenges in industrial assembly, such as connecting threaded rods and extending components under high stress. The metric coarse threading (M4 x 0.7mm) with Class 6H fit ensures consistent alignment and reduces installation errors, while the external hex drive facilitates tool access in confined spaces. Made from robust zinc-plated steel, it resists corrosion and maintains integrity in mechanical, automotive, and construction settings. Fully threaded and right-hand designed, it provides reliable performance as a threaded rod connector, supporting stable structures and minimizing maintenance needs.
Specification Summary & Compliance
This coupling nut adheres to metric standards with M4 thread size, 0.7mm pitch, and coarse spacing. It features Class 6H thread fit for precision and Class 8 strength grade for high load capacity. Dimensions include 7mm width and 12mm length. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU), including exemption 6(a) for lead in steel, ensuring it meets industrial safety and environmental regulations.
