S-90264A253 7/8"-9 x 7" 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 7" length enables secure connections between widely spaced threaded rods or studs in structural applications
- Zinc-plated steel construction provides excellent corrosion resistance for long-term durability in industrial environments
- Class 2B thread fit ensures smooth assembly and reliable engagement with mating components
- 7/8"-9 UNC coarse threading delivers superior vibration resistance and faster installation compared to fine threads
- External hex drive design allows for high-torque installation using standard wrenches
- Partial threading configuration optimizes strength while reducing material usage and weight
- RoHS 3 and REACH compliance guarantees environmental responsibility and global regulatory acceptance
Professional Applications & Engineering Value
This extra long coupling nut solves critical connection challenges in heavy-duty industrial applications where standard nuts cannot bridge extended gaps. The zinc-plated steel construction withstands harsh environments while maintaining structural integrity, particularly valuable in construction, machinery assembly, and infrastructure projects. The 7/8"-9 UNC coarse thread profile combined with Class 2B thread fit ensures reliable performance under vibration and dynamic loads, making it ideal for connecting threaded rods in concrete forming, pipe hangers, and structural frameworks. The external hex drive facilitates secure installation in confined spaces where internal wrenching tools cannot access.
Specification Summary & Compliance
This coupling nut features 7/8"-9 UNC coarse threads with Class 2B thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy and interchangeability. The partially threaded design maintains strength while optimizing material usage. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental compliance for global industrial applications. The external hex drive (1 3/8" width) accommodates standard wrench sizes for straightforward installation.
