Importance

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Abstract

In a lathe tool composed of a holder and a reversible cutting plate for cutting a groove or thread, the holder being formed to have a recess for accommodating the cutting plate, the recess having a bottom face and a side face, and the cutting plate having a longitudinal dimension, two longitudinal spaced frontal end faces each having a cutting edge, a narrow longitudinally extending edge extending between the frontal end faces and arranged to bear against the bottom face of the recess, a longitudinally extending broad side extending between the frontal end faces and transversely to the narrow edge and arranged to bear against the side face of the recess, and a fastening bore having an axis extending transversely to the broad side, the lathe tool further including a clamping device for holding the cutting plate in the recess with the narrow edge and broad side of the cutting plate bearing against the bottom face and side face, respectively, of the recess, wherein the clamping device includes a clamping element disposed in the region of the side face of the recess and passing through the fastening bore in the recess, and the cutting plate is reversible in position relative to the holder about the axis of the fastening bore.

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First Claim