S-96177A460 1/2"-28 x 1 1/4" ASTM A108 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 connection stability with extra fine UNEF threading for vibration resistance in demanding applications
- Enhanced corrosion protection through black-oxide steel construction for extended service life
- Precise thread engagement with Class 2B fit ensuring reliable, consistent fastening performance
- Full-threaded design provides maximum thread contact area for stronger joint integrity
- Industry-standard compliance with ASTM A108 specifications for guaranteed material quality
- Environmental regulation adherence meeting RoHS 3 and REACH requirements for global supply chain compatibility
- Optimized dimensions (37/64" OD, 1-1/4" length) for space-efficient installation in confined assemblies
Professional Applications & Engineering Value
This black-oxide steel coupling nut with 1/2"-28 UNEF extra fine threading addresses critical engineering challenges in industrial fastening systems. The fully threaded design and Class 2B thread fit provide exceptional vibration resistance, preventing loosening in high-stress environments like machinery, automotive, and precision equipment. The black-oxide surface treatment creates a protective barrier against corrosion while maintaining dimensional stability. Engineered to ASTM A108 standards, this coupling nut delivers reliable performance in applications requiring extended thread engagement and superior tensile strength, making it ideal for connecting threaded rods, studs, and other components where precise alignment and durability are paramount.
Specification Summary & Compliance
This coupling nut features 1/2"-28 UNEF extra fine threads with Class 2B thread fit per unified thread standards, ensuring precise dimensional accuracy. Manufactured from black-oxide steel meeting ASTM A108 specifications with dimensions of 37/64" OD and 1-1/4" length. The product is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) regulations current as of January 17, 2023, including 233 SVHC substances.
