Active center for cutting in concrete. Durable carbide with fine grain size. Long lifespan and excellent resistance. Wear indicator provides visibility for orientation regarding the tolerance for set anchors. 4-cutter design made of solid carbide. Extremely robust and aggressive, with angled secondary cutting edges for efficient drilling progress. Features a 2 + 2 spiral design optimized for vibrations to ensure the best power transfer and speed. Suitable for concrete and 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: 12 x 400 x 540 mm.