Our Type CLA aluminum nuts are specially designed for secure fastening in aluminum sheets with a hardness of HRB 50 or lower on the Rockwell "B" scale. Featuring unplated threads that are meticulously sized to accommodate a basic go gauge after a .00025” plating process, these self-clinching nuts offer reliable performance and ease of installation. Perfect for a wide range of applications, they ensure strong and lasting connections in aluminum components. Rest assured, our nuts are fully compliant with RoHS regulations, making them an environmentally friendly choice for your projects. Explore our animation for a closer look at their installation process.