S-90242A160 2-56 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide 316 Stainless Steel, ideal for harsh industrial environments and extending service life.
• Reliable and precise fastening ensured by the Class 2B thread fit, providing consistent engagement and reducing the risk of cross-threading.
• Effortless installation and removal with the standard external hex drive, compatible with common wrenches for efficient assembly.
• Robust performance in coarse-thread applications due to the 2-56 UNC thread, offering excellent resistance to vibration loosening.
• Compact and space-saving design with dimensions of 3/16" width and 1/16" height, suitable for applications with limited clearance.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.
• Durable surface finish that enhances wear resistance and provides a professional, non-reflective appearance.

Professional Applications & Engineering Value

This 2-56 UNC hex nut is engineered to address critical challenges in industrial and engineering settings where corrosion resistance and thread reliability are paramount. The Black-Oxide 316 Stainless Steel construction provides exceptional protection against corrosive elements, making it ideal for marine, chemical processing, and outdoor applications. The coarse UNC thread and Class 2B thread fit ensure quick assembly and a secure hold, minimizing the risk of stripping under vibration—common in machinery and equipment. Its standard external hex drive allows for high-torque installation with standard tools, streamlining maintenance and reducing downtime. This nut delivers consistent performance in demanding environments, from industrial assembly lines to precision electronic enclosures, ensuring long-term operational integrity.

Specification Summary & Compliance

This hex nut adheres to inch system standards with a 2-56 UNC coarse thread and Class 2B thread fit for precise dimensional accuracy. It features a right-hand thread direction, standard hex nut profile, and dimensions of 3/16" width and 1/16" height. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for industrial use.