S-96177A190 5/16"-18 x 3/4" ASTM A276 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 black-oxide steel coating, extending service life in demanding industrial environments
- Precise Class 2B thread fit ensures smooth assembly and reliable connections without cross-threading risks
- Full-length UNC coarse threading provides maximum engagement strength for heavy-duty applications
- ASTM A276 material compliance guarantees consistent mechanical properties and structural integrity
- Right-hand thread design enables straightforward installation using standard tools and procedures
- Full regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance
- Standard inch dimensions (5/16"-18 thread, 3/4" length) ensure compatibility with existing equipment and replacement parts
Professional Applications & Engineering Value
This black-oxide steel coupling nut delivers exceptional performance in connecting threaded rods, studs, and other components where extended reach is required. The fully threaded UNC coarse profile and Class 2B thread fit provide optimal load distribution across the entire length, preventing stress concentration and potential failure points. Engineered to ASTM A276 standards, these coupling nuts maintain dimensional stability under heavy loads while the corrosion-resistant black-oxide finish protects against rust in industrial settings including manufacturing equipment, structural frameworks, and machinery assembly. The right-hand threading ensures compatibility with standard fastening systems, reducing installation time and maintenance costs.
Specification Summary & Compliance
This coupling nut features 5/16"-18 UNC coarse threading with Class 2B thread fit per standard inch system requirements. Manufactured from black-oxide steel meeting ASTM A276 specifications for material composition and mechanical properties. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) compliant with the latest SVHC requirements as of January 17, 2023.
