| 摘要 |
1. Combination tool composed of a tool, especially a mill or a drill, with a tapered shank-part (17) with a screw drill bore (16) and a case-formed seat (2) which presents a taper (3) to be inserted in the receiving cone of a work spindle and a tapered recess (4) to receive the tapered shank-part (17) of the tool, which is placed coaxial to the taper and which presents a retaining screw (15), whereby the receiving cone supports a driving flange (6) at its wider end, characterized in that the tool (1) presents an annular supporting face (13) in front of the tapered shank-part (17) and that the case-formed seat (2) at the front of the driving flange (6) presents an annular supporting face (14) directly annexed to the tapered recess (4), whereby the tool (1) and the seat (2) are in touch additionally through their supporting faces (13, 14). |
