| abstract |
This multipurpose drilling tool comprises: - a guide head (1), - a drilling cutter (3), and - a shank (5) for mounting on a chuck, these three elements (1, 3, 5) being assembled with one another removably so as to allow each of them to be replaced by a similar element of different dimensions. The drilling cutter (3) has a bore and said guide head (1) has a pilot (7) that comes into abutment at the entrance of said bore and a stem (9) that passes along said bore and is screwed into said mounting shank (5). |