A turning tool comprising a tool body and a turning insert, the turning tool comprising an insert seat in which insert seat the turning insert is mounted, a longitudinal axis extending from a rear end to a forward end, the insert seat comprising a bottom surface and a side surface, the side surface comprising a first surface and a second surface, wherein the first and second surface (13, 14) form an angle (β) relative to each other, the turning insert comprising a top surface, an opposite bottom surface, and a side surface connecting the top and bottom surfaces (7, 8), the bottom surface of the turning insert being in contact with the bottom surface of the insert seat, wherein the first surface comprises a contact surface, wherein said contact surface is in contact with a portion of the side surface of the turning insert, the tool body comprising a coolant channel, the coolant channel extending between a coolant channel inlet and a coolant channel outlet, the coolant channel outlet opening into a void between the side surface of the turning insert and the first surface of the side surface of the insert seat, wherein the coolant channel and the coolant channel outlet are arranged to direct a coolant stream which exits from the coolant channel outlet in a direction away from the rear end and away from the bottom surface of the insert seat, characterised in that the coolant channel and the coolant channel outlet are arranged to direct the coolant stream towards the side surface of the turning insert such that said coolant stream is deflected towards the first surface of the side surface of the insert seat. the turning tool comprising an insert seat in which insert seat the turning insert is mounted, a longitudinal axis extending from a rear end to a forward end, the insert seat comprising a bottom surface and a side surface, the side surface comprising a first surface and a second surface, wherein the first and second surface (13, 14) form an angle (β) relative to each other, the turning insert comprising a top surface, an opposite bottom surface, and a side surface connecting the top and bottom surfaces (7, 8), the bottom surface of the turning insert being in contact with the bottom surface of the insert seat, wherein the first surface comprises a contact surface, wherein said contact surface is in contact with a portion of the side surface of the turning insert, the tool body comprising a coolant channel, the coolant channel extending between a coolant channel inlet and a coolant channel outlet, the coolant channel outlet opening into a void between the side surface of the turning insert and the first surface of the side surface of the insert seat, wherein the coolant channel and the coolant channel outlet are arranged to direct a coolant stream which exits from the coolant channel outlet in a direction away from the rear end and away from the bottom surface of the insert seat, characterised in that the coolant channel and the coolant channel outlet are arranged to direct the coolant stream towards the side surface of the turning insert such that said coolant stream is deflected towards the first surface of the side surface of the insert seat.