SDS-max Pro 4 / 25 x 520 mm. Unmatched destructive power with an extremely robust and aggressive solid carbide cutting edge. Consistently long service life is achieved with a short head and large-volume dust channels for frictionless removal of drill dust, resulting in minimal heat generation. The highest drilling speed is ensured by angled secondary cutting edges for aggressive drilling progress. Optimum centering is provided by a drill-active centering tip for better guidance when drilling in concrete and reinforced concrete. Accurate drill hole diameters are guaranteed with an innovative wear mark that serves as an indicator for dimensional accuracy. Vibration control features an optimized vibration value, making it ideal for the toughest requirements on the construction site. Suitable for use in concrete, masonry, and natural stone.