Suction drilling tool as well as a process for the preparation of a suction drilling tool

摘要

The present invention relates to a suction drilling tool (1) for producing boreholes in rock, concrete, masonry and the like, comprising a shank (2), a with the insertion end (2) is connected to the working section (3) and a with the working section (3) is connected to the drilling head (4). In this case, the working section (3) comprises a with the insertion end (4) formed as a single core (6), wherein the working section (3) a with the core (6), which is connected, tubular jacket (7) and wherein between the jacket (7) and the core (6) at least one suction channel (21, 22) is designed. (1)n="66"