| 摘要 |
A parting tool, including a disc-shaped base member, a plurality of ring segment-shaped cutting regions provided at a circumference of the base membe r separated circumferentially by recesses open at an outer contour of the base member and extending radially through respective cutting regions, and at lea st one elongate opening located in a section of the base member, which is limited b y two adjacent recesses and the central bore of the base member, and extending radially along a section of a spiral line starting from a center of the base member.< /SDOAB>
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