FIELD: mechanical engineering. SUBSTANCE: rotatable tool has hub mounted for permitting rotation and members 4 with working hard-alloy inserts that are arranged over periphery of the hub. The hub is made up at least of one flexible hub section 6 made up as a disk and allowed to be flexibly bent in the axial direction. Members 4 with working hard-alloy inserts are arranged at the ends of rod holders 16 which can be embedded into hub section 6. EFFECT: prolonged service life. 13 cl, 7 dwg
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|---|---|---|---|
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|
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