Thread milling cutting tool

A thread milling cutting tool for metal cutting comprising an elongated main body, the main body having a front end, a rear end and a central longitudinal axis extending from the front end to the rear end, the main body being configured to rotate in a direction of rotation around the central longitudinal axis, the main body including a cutting section which extends axially rearward from the front end, the cutting section including a plurality of teeth, wherein each tooth of the plurality of teeth includes a rake surface, a clearance surface, and a cutting edge at an intersection of the rake surface and the clearance surface, and wherein the plurality of teeth comprises at least one first set of circumferentially spaced teeth, wherein each tooth of the at least one first set has a same, first axial distance to the front end, and the clearance surface of each tooth has a radial clearance angle, wherein the clearance surface of each tooth of the at least one first set of teeth includes a rotationally leading portion and a rotationally trailing portion, wherein the leading portion extends from and rotationally behind the cutting edge, and a radial clearance angle of the leading portion is smaller than a radial clearance angle of the trailing portion.