S-90268A431 1/2"-20 x 6" 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 18-8 stainless steel construction for long-lasting performance in harsh environments
- Exceptional length of 6 inches provides extended reach and flexibility for connecting threaded rods or studs
- Precise Class 2B thread fit ensures smooth engagement and reliable fastening in demanding applications
- Partially threaded design with 3/4" minimum thread length offers optimal grip while reducing installation time
- Fine UNF threading (1/2"-20) delivers superior vibration resistance and improved load distribution
- External hex drive allows for easy installation using standard wrenches in confined spaces
- Full regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
This extra long coupling nut addresses critical engineering challenges in industrial assembly where extended reach and corrosion resistance are paramount. The 18-8 stainless steel construction provides excellent durability against chemical exposure and atmospheric conditions, while the partially threaded UNF fine thread configuration ensures secure connections in high-vibration environments. The 6" length makes it ideal for construction, machinery, and structural applications requiring connections between spaced components. The Class 2B thread fit guarantees precise mating with corresponding male threads, reducing the risk of cross-threading and ensuring consistent performance in heavy-duty coupling applications where reliability cannot be compromised.
Specification Summary & Compliance
This coupling nut features 1/2"-20 UNF fine threading with Class 2B thread fit per UNF standards, ensuring dimensional accuracy and proper engagement. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental responsibility and restricted substance compliance. The partially threaded design maintains a minimum thread length of 3/4" with right-hand threading direction, while the external hex drive (3/4" width) provides standard tool compatibility for industrial fastener applications.
