| 摘要 |
A rotating tool such as a drill, a milling cutter, a countersink, a deburrer and the like, including a working part, which is driven in rotation about an axis of rotation for cutting machining, and also including an axially adjoining clamping shank for insertion into a clamping chuck of a drive machine. The clamping shank is provided with a number of clamping surfaces on its outer circumference for supporting a clamping jaw of the clamping chuck. The clamping shank has a shank radius in the region of each clamping surface which, as seen in a predetermined direction of rotation of the tool, rises from a minimum shank radius to a maximum shank radius as it passes over a range of angle of rise.
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