HD13 si an hydraulic hammer drill for concrete, masonry and natural stone. Powerful and light, its use is ideal where performance, maneuverability and safety are required. The bit attachment is of the universal standard type SDS MAX that allows to use a wide range of bits and accessories available anywhere. The hydraulic operation ensures power, long operating life, low noise and vibrations, minimum maintenance, robustness, implicit safety and impossibility electric shock failure, elimination of all the typical problems associated with the use of electric and pneumatic tools. HD13 is irreplaceable for submarine use in drilling and tiling work.