SDS-max Pro 4 / 28 x 520 mm. Unmatched destructive power with an extremely robust and aggressive solid carbide cutting edge. A consistently long lifespan is ensured by a short head with large-volume dust channels that allow for frictionless removal of drill dust, thereby minimizing heat generation. Experience the highest drilling speed with angled secondary cutting edges for aggressive drilling progress. The drill-active centering tip provides optimal guidance when drilling in concrete and reinforced concrete. Achieve precise hole diameters with an innovative wear indicator that serves as a gauge for dimensional accuracy. The vibration control offers an optimized vibration value, making it ideal for the toughest demands on the construction site. Suitable for use in concrete, masonry, and natural stone.