The Kramp A383212 is a genuine SPIDEX hub designed for reliable power transmission applications. This pre-drilled hub features a precision 32mm H7 shaft hole and a 12mm keyway, ensuring a secure fit and efficient torque transfer. It also includes one M10 tap hole for mounting or additional connections. With an outer diameter of 65mm and a length of 50mm, this steel hub is ideal for various industrial and agricultural machinery requiring robust coupling components.