Type CLA aluminum nuts are specifically designed for optimal performance in aluminum sheet materials with a hardness of HRB 50 or lower on the Rockwell “B” scale. These self-clinching nuts ensure secure fastening in such substrates. Featuring unplated threads sized to accommodate a basic go gauge post .00025” plating, they offer precise and reliable installation. Their aluminum construction guarantees lightweight yet durable functionality. Perfect for various applications, these metric nuts comply with RoHS standards, underscoring their eco-friendly nature. For a visual guide, check out the accompanying animation.