S-90104A010 3/8"-16 x 1 1/8" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• Reliable thread engagement and alignment with a Class 2B thread fit, ensuring smooth assembly and reducing the risk of cross-threading.
• Robust external hex drive design provides excellent grip for standard wrenches, facilitating quick and secure installation.
• Full threading along the entire 1-1/8" length offers maximum adjustability and strength when joining two threaded rods or bolts.
• Wide compatibility with 3/8"-16 UNC coarse threads, a common standard for industrial equipment and machinery.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets stringent international standards for hazardous substances.
• Durable standard profile maintains structural integrity under high stress, supporting long-term performance in demanding applications.

Professional Applications & Engineering Value

This 316 stainless steel coupling nut is engineered to address critical challenges in industrial settings, such as corrosion from moisture, chemicals, and saltwater exposure. Its fully threaded design and UNC coarse threading enable secure connections between threaded rods or bolts in structural frameworks, piping systems, and machinery assembly. The external hex drive allows for straightforward installation with common tools, reducing labor time and minimizing assembly errors. By utilizing Class 2B thread fit, it ensures consistent performance in high-vibration environments, preventing loosening and maintaining alignment. Ideal for applications in construction, marine, and chemical processing, this coupling nut delivers long-lasting reliability and cost savings through reduced maintenance and replacement needs.

Specification Summary & Compliance

This coupling nut adheres to precise dimensional standards, including a Class 2B thread fit for reliable tolerance and UNC coarse threading (3/8"-16) per industry norms. It is manufactured with a standard profile, measuring 1/2" in width and 1-1/8" in length, and features right-hand threading for universal compatibility. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms it is free from restricted substances, supporting safe and sustainable industrial use.