Core drill with SDS max connection. Ideal for cutting deep holes for the installation of switch boxes. Suitable for all rotary hammers with SDS-max shank. Made of robust carbide with a fine grain, ensuring optimal wear resistance during drilling. The number of asymmetrical carbide teeth increases with the diameter, allowing for fast work with low noise. Long shank in a double-spiral U-shape for transporting drill cuttings and breakthrough drilling. Diameter: 8.2 cm, core drill depth: 8 cm, working length: 10.2 cm. The SDS max-9 hollow core drill is perfect for cutting deep holes when installing switch boxes. It is made of robust carbide with a fine grain, ensuring optimal wear resistance during drilling. Additionally, the number of asymmetrical carbide teeth on the drill is adapted to its diameter, making it the right choice for drilling with fast progress and low noise operation. Its double-spiral U-shaped shank is well-suited for transporting drill cuttings and breakthrough drilling, while the one-piece design ensures optimal power transfer from the machine. The drill is intended for use in concrete, masonry, and aerated concrete. The product is also available in a two-part version. It is compatible with SDS max drills.