S-96177A430 3/8"-24 x 2" ASTM A108 Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from the black-oxide steel finish, extending service life in harsh industrial environments.
• Precise and reliable connections ensured by the Class 2B thread fit, minimizing the risk of cross-threading and assembly failures.
• Enhanced durability and strength due to compliance with ASTM A108 standards, providing consistent performance under load.
• Versatile fine UNF threading (3/8"-24) allows for secure, fine-adjustment coupling in precision assemblies.
• Full threading along the 2" length offers maximum engagement and flexibility for various rod or stud connections.
• Environmental compliance with RoHS 3 and REACH regulations ensures safe use and meets global sustainability requirements.
• Right-hand thread design facilitates standard installation and compatibility with common industrial components.

Professional Applications & Engineering Value

This black-oxide steel coupling nut is engineered to address common challenges in industrial assembly, such as corrosion and thread misalignment. The fully threaded design with 3/8"-24 UNF fine threads and Class 2B fit ensures precise, leak-free connections in applications like machinery linkages, hydraulic systems, and structural frameworks. Made from ASTM A108 compliant material, it provides high tensile strength and fatigue resistance, reducing maintenance needs in demanding environments. The black-oxide surface treatment adds an extra layer of protection against rust, making it ideal for outdoor or high-moisture settings. By integrating fine threading and robust construction, this nut delivers reliable performance in precision threaded connectors for automotive, aerospace, and heavy equipment industries.

Specification Summary & Compliance

This coupling nut features a 3/8"-24 UNF fine thread with Class 2B thread fit for precise dimensional accuracy, an OD of 31/64", and a length of 2". It is manufactured in accordance with ASTM A108 standards and is fully threaded with a right-hand thread direction. The product is compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead in steel and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence.