| 摘要 |
A drilling tool 20 for trepanning a ring-shaped channel into a first surface. The drilling tool is arranged to rotate around an axis, R, and comprises one or more teeth 22, 24 radially spaced from the axis. The teeth are arranged to cut into a surface in a first direction, F. The drilling tool also comprises an abutment surface 26 arranged perpendicular to the first direction so as to contact the surface and thereby prevent the one or more teeth 22, 24 from cutting further into the surface. The drilling tool may be used for drilling holes in vehicle bumpers. Also claimed is a method of use for drilling holes in a vehicle surface such as a bumper in order to install proximity (parking) sensors.
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