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Hollow drill bit
Due to the sharp carbide metal boards and the two exhaust holes at the drill tip, the hollow drill bit FHD drills faster and with low dust. Drill hole and construction site cleaning is no longer necessary because of the extraction system. This does not only save a lot of time for the drill hole creation process but also prevent the lungs from arising drill dust. The hollow drill bit FHD additionally provides a secure fixing as cleaning faults will be avoided.