CPC Subgroup Additional Only
B23B 2251/28 Arrangement of teeth
Full Title
Details of tools for drilling machines > Arrangement of teeth
3 direct subcodes
Child Classifications
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- B23B 2251/282 Unequal spacing of cutting edges in the circumferential direction
- B23B 2251/285 Cutting teeth arranged at different heights
- B23B 2251/287 Cutting edges having different lengths