Active center for cutting in concrete. Durable carbide with a fine grain size ensures a long lifespan and excellent resistance. The wear indicator provides visibility for precise dowel placement. Features a 4-cutter carbide design with an extremely robust and aggressive S-cut, as well as angled secondary cutting edges for efficient drilling progress. The 2 + 2 spiral design is optimized for vibration to ensure optimal power transmission and speed. Suitable for concrete, reinforced concrete, aerated concrete, and masonry. Designed for use in hammer drills with SDS-max chuck. Available working lengths are 200, 400, 600, 800, and 1200 mm. Diameter options from 12 to 15 mm are available as two-cutter versions. Comes in a resealable craftsman packaging. Dimensions: 25 x 800 x 920 mm.