Active centering point for cutting in concrete. Durable tungsten carbide with fine grain. High durability and excellent resistance. Wear indicator ensures visibility during tolerance adjustment when setting anchors. Features a 4-cutter design made of solid carbide. Extremely robust with aggressive solid carbide cutting and 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 double drills. Delivered in a resealable craftsman packaging.