DRILLING TOOL

The invention relates to a drilling tool which extends along a longitudinal axis, comprising a drill head, a connection region for connecting the drilling tool to a suction apparatus, a shank region which is arranged between the drill head and the connection region, at least one transport channel which extends along the shank region, wherein the transport channel is formed by a groove that is arranged radially between in each case a cover element and a shank element, wherein the shank element has the at least one external groove. It is proposed that the transport channel have a cross-sectionalarea that is substantially constant. 本发明涉及一种沿着纵轴线延伸的钻具，其包括钻具头、用于将所述钻具与吸除设备连接的附接区域、布置在所述钻具头与所述附接区域之间的杆区域、至少一个运输通道，所述运输通道沿着所述杆区域延伸，其中，所述运输通道通过凹槽形成，所述凹槽在径向上分别布置在盖元件与杆元件之间，其中，所述杆元件具有至少一个位于外侧的凹槽。提出，所述运输通道具有基本上恒定的横截面。