For switch boxes - the SDS max-9 hollow drill crown is ideal for cutting deep holes when installing switch boxes. It consists of highly robust carbide with fine grain, which ensures optimum wear resistance when drilling. In addition, the number of asymmetric carbide teeth on the drill is adapted to its diameter, making it the right choice for drilling for fast work progress with low noise operation. Its two-spiral U-shaped shaft is well suited for drilling dust removal and through-hole drilling, while the one-piece design ensures optimum power transmission from the machine. The drill is intended for use in concrete, masonry and sand-lime bricks. It is compatible with SDS max drill bits. The product is also available in two parts. Suitable for all SDS max. hammer drills
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