A cutting insert for mounting in a tool for chip removing machining, comprising - an upper side and an opposite lower side between which a centre axis (C2) extends, wherein the upper side comprises a rake face and wherein the lower side comprises a bottom support surface for contacting a bottom contact surface of a tool body , - a side surface extending between the upper side and the lower side around the periphery of the cutting insert , and - at least one cutting edge formed in a transition between the upper side and the side surface , wherein the cutting insert is formed by sintering together two compacted powder parts , one of the compacted powder parts after sintering forming an upper part and the other one forming a lower part , the upper part being misaligned in relation to the lower part , an imaginary plane (P I ) perpendicular to the centre axis (C2) being defined between the lower part and the upper part , wherein the cutting insert is double-sided with the lower side identical to the upper side , characterised in that a groove is provided in the side surface , centred on said imaginary plane (P I ) and extending around the circumference of the cutting insert , said groove having a width (w groove ) of between 0.1 mm-20% of a height h of the cutting insert , preferably 0.2 mm-10% of said height h, wherein a recess centred on the imaginary central plane (P I ) and extending around the circumference of the cutting insert is provided in the side surface , the groove being formed in the recess , wherein said recess comprises a plurality of support surfaces configured to make contact with contact surfaces provided in a tool body , said support surfaces being formed at an angular deviation from the centre axis (C2) of maximum ±15°. - an upper side and an opposite lower side between which a centre axis (C2) extends, wherein the upper side comprises a rake face and wherein the lower side comprises a bottom support surface for contacting a bottom contact surface of a tool body , - a side surface extending between the upper side and the lower side around the periphery of the cutting insert , and - at least one cutting edge formed in a transition between the upper side and the side surface , wherein the cutting insert is formed by sintering together two compacted powder parts , one of the compacted powder parts after sintering forming an upper part and the other one forming a lower part , the upper part being misaligned in relation to the lower part , an imaginary plane (P I ) perpendicular to the centre axis (C2) being defined between the lower part and the upper part , wherein the cutting insert is double-sided with the lower side identical to the upper side , characterised in that a groove is provided in the side surface , centred on said imaginary plane (P I ) and extending around the circumference of the cutting insert , said groove having a width (w groove ) of between 0.1 mm-20% of a height h of the cutting insert , preferably 0.2 mm-10% of said height h, wherein a recess centred on the imaginary central plane (P I ) and extending around the circumference of the cutting insert is provided in the side surface , the groove being formed in the recess , wherein said recess comprises a plurality of support surfaces configured to make contact with contact surfaces provided in a tool body , said support surfaces being formed at an angular deviation from the centre axis (C2) of maximum ±15°. <EOS>