S-96177A420 3/8"-16 x 2" ASTM A108 Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from black-oxide steel construction, extending service life in demanding industrial environments
• Exceptional tensile strength through ASTM A108 compliance, ensuring reliable performance under heavy loads
• Precise thread engagement with Class 2B fit UNC coarse threading, providing secure connections without cross-threading risks
• Versatile full-thread design allowing maximum adjustability and connection flexibility across various applications
• Environmental compliance assurance with RoHS 3 and REACH adherence, meeting global regulatory standards
• Optimized dimensional stability with 2" length and 31/64" OD, ensuring consistent performance in assembly operations
• Right-hand thread configuration for standard installation compatibility across industrial equipment and machinery

Professional Applications & Engineering Value

This black-oxide steel coupling nut delivers critical engineering solutions for industrial assembly challenges where corrosion resistance and structural integrity are paramount. The 3/8"-16 UNC coarse threading with Class 2B fit ensures rapid installation while maintaining precise alignment in heavy-duty applications such as structural frameworks, machinery extensions, and hydraulic systems. The fully threaded design accommodates varying connection depths, while the black-oxide surface treatment provides essential protection against oxidation in humid or chemically exposed environments. Engineered to ASTM A108 specifications, this coupling nut maintains dimensional accuracy across production batches, reducing assembly time and improving connection reliability in industrial maintenance and manufacturing operations.

Specification Summary & Compliance

This coupling nut features precise 3/8"-16 UNC coarse threading with Class 2B thread fit tolerance, manufactured to ASTM A108 material standards. The component maintains dimensional accuracy with 2" length and 31/64" OD specifications. Compliance includes RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel, and full adherence to REACH (EC 1907/2006) regulations regarding Substances of Very High Concern (SVHC) as of January 2023.