Metabo HM core drill 33x55 mm Weldon shank 19 mm. The Metabo HM core drill is a high-quality tool for precise drilling. With a diameter of 33x55 mm and a Weldon shank of 19 mm (3/4"), it is ideal for various applications. This core drill is suitable for use in steel as well as in higher alloy steels. It offers high hardness and wear resistance to easily process even demanding materials. For optimal results, it is recommended to use the core drill with a suitable center pin. This ensures precise positioning of the drill. Included accessories: center pin.