The SDS Max-9 hollow boron crown or cannen sink from Bosch is ideal for drilling deep holes at gear cans. The robust carbide surface with a fine licensing ensures that the wear resistance is guaranteed when drilling. The asymmetrical carbide teeth adapt to the work pace, which produces the lowest possible background noise. , Thanks to the one -piece design, optimal power transmission from the device is guaranteed. Due to the two-spiral U-shape of the shaft test, this hollow drill crown is ideal for drilling flour transport and breakthrough drilling. , Product information, compatible with SDS Max drills, suitable for: highly compressed lime sandstone, brick, clinker, masonry
