S-90268A125 1/2"-13 x 1 3/4" 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 extended service life in harsh environments
- Optimal torque transmission through external hex drive design for secure tightening with standard tools
- Reliable thread engagement with Class 2B thread fit ensuring smooth assembly and consistent performance
- Enhanced connection strength from full threading along the entire 1 3/4" length for maximum load distribution
- Industry-standard compatibility with 1/2"-13 UNC coarse threads for seamless integration with existing components
- Robust dimensional stability with 11/16" width providing substantial bearing surface for structural integrity
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial applications
Professional Applications & Engineering Value
This 18-8 stainless steel coupling nut delivers exceptional engineering value in demanding industrial settings where corrosion resistance and structural reliability are paramount. The fully threaded design with UNC coarse spacing provides maximum thread engagement when connecting threaded rods or extending studs in construction, machinery assembly, and structural frameworks. The external hex drive configuration enables high-torque installation without stripping, while the Class 2B thread fit ensures precise mating with male threads for vibration-resistant connections. Ideal for applications requiring extended length fasteners in plumbing systems, industrial equipment, and architectural installations where environmental exposure demands stainless steel's durability.
Specification Summary & Compliance
This coupling nut features 1/2"-13 UNC coarse threads with Class 2B thread fit tolerance for reliable assembly. Dimensions include 11/16" width across flats and 1 3/4" length. Manufactured from 18-8 stainless steel with standard coupling nut profile and right-hand threading. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial fastener applications.
