Centring point. Active centering point for cutting in concrete. Durable tungsten carbide with fine grain. Long service life and excellent resistance. Two-cutter design with AWB soldering and hardening. Diameter-optimized soldering and hardening technology to increase drill robustness and reduce vibration during drilling. Diamond-polished cutting edges. A special grinding enables multi-purpose drilling. Four-spiral Dura design. Reinforced core diameter for greater strength and stability when drilling into concrete. Suitable for various interior materials such as concrete, masonry, brick, eternit, lightweight materials, multi-layer materials, ceramics and tiles, wood, plastic, metal sheets, and aluminum. Optimum results with rotating and percussive drilling. Drill color: blue, polished. Pack of one. Dimensions: 4 x 40 x 75 mm, diameter 3.8 mm.