S-96177A470 1/2"-13 x 1 1/2" ASTM A108 Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel finish, extending service life in harsh industrial environments
• Maximum thread engagement through fully threaded design, ensuring reliable connections between threaded rods or pipes
• Precise Class 2B thread fit for smooth assembly and consistent torque performance in demanding applications
• Heavy-duty construction meeting ASTM A108 standards, providing dependable strength for structural and mechanical assemblies
• Coarse UNC threading enabling faster installation and reduced cross-threading risks in time-sensitive operations
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring environmental responsibility and global market acceptance
• Versatile 1½" length offering ample thread engagement for various extension and coupling requirements

Professional Applications & Engineering Value

This black-oxide steel coupling nut delivers exceptional engineering value in demanding industrial settings where corrosion resistance and structural integrity are paramount. The fully threaded UNC 1/2"-13 design with coarse thread spacing enables rapid installation while maintaining superior tensile strength, making it ideal for connecting threaded rods in construction, machinery assembly, and pipeline systems. The Class 2B thread fit ensures consistent engagement without binding, reducing installation time and preventing thread damage. The black-oxide surface treatment provides essential protection against oxidation and environmental degradation, significantly extending service life in moisture-prone applications. Engineered to ASTM A108 specifications, this coupling nut maintains dimensional stability under heavy loads, offering reliable performance in structural supports, mechanical linkages, and industrial equipment where vibration resistance is critical.

Specification Summary & Compliance

This coupling nut features 1/2"-13 UNC coarse threading with Class 2B thread fit tolerances, ensuring precise engagement with mating components. Manufacturing complies with ASTM A108 standards for material quality and dimensional accuracy. 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 regarding Substance of Very High Concern restrictions. Physical dimensions include 37/64" OD and 1½" length, providing optimal strength-to-weight ratio for industrial coupling applications.