Milling tool with reinforced chip dividing grooves

A milling tool having a longitudinal axis around which the milling tool is rotatable in a direction of rotation, the milling tool comprising:

• a shank portion;
• a cutting portion that extends along the longitudinal axis from a front end of the milling tool towards the shank portion, wherein the cutting portion includes a plurality of teeth and a corresponding number of flutes extending axially along the cutting portion following a helical path around the longitudinal axis, wherein each tooth includes a land and a rake face at least partly formed by a surface of the flute, wherein a main cutting edge is formed at the intersection between the land and the rake face formed by the flute surface, and wherein at least one chip dividing groove is formed in the land such as to intersect the main cutting edge, wherein the chip dividing groove at its intersection with the main cutting edge includes, with respect to a direction of rotation, a leading corner and a trailing corner and a groove edge delimiting the chip dividing groove from the rake face and which includes a leading edge extending from the leading corner to a root of the chip dividing groove and a trailing edge extending from the root of the chip dividing groove to the trailing corner;
• and
• a reinforcement surface located at the rake face adjacent at least a part of the trailing edge of the chip dividing groove, wherein the reinforcement surface is a surface recessed in the flute surface such as to provide a locally reduced rake angle.