Cutting insert, a cutting tool, a shim and a method

A cutting tool for chip removing machining, comprising

• a holder equipped with at least one insert pocket including a base surface,
• at least one circular shim comprising opposite first and second surfaces, and
• at least one cutting insert comprising a circular cutting edge formed at a transition between an upper side and an edge surface of the cutting insert, the cutting edge comprising at least one cutting edge portion, the at least one cutting edge portion extending along substantially an entire length of the cutting edge, the upper side comprising a chip surface including at least one chip breaker portion associated with a corresponding cutting edge portion and the edge surface comprising a clearance surface, the at least one shim being provided between the base surface of the at least one insert pocket and the at least one cutting insert, the cutting tool comprising a clamp arrangement for holding the holder, the at least one shim, and the at least one insert together, wherein the at least one cutting insert is single-sided and the at least one chip breaker portion is provided at a varying distance from the cutting edge portion over substantially an entire length of the associated cutting edge portion, the at least one shim and the at least one cutting insert comprises at least one pair of cooperating projections and recesses for indexing of the cutting insert, the at least one pair of projections and recesses being provided to be positioned in a position relative to a reference line or axis of the tool in order to orient the chip breaker portion in the chip surface to a desired relative position, a quantity of the at least one chip breaker portion being a multiple of a quantity of the at least one pair of projections and recesses.