Method to produce a radial run-out tool as well as a radial run-out tool

A method of producing a radial run-out tool, comprising a basic body extending along a longitudinal axis, wherein the basic body comprises:

• at least two chip grooves;
• a guide chamfer connected to each chip groove, when viewed along a rotational direction of the radial run-out tool;
• a ridge extending between each guide chamfer and a following one of the chip grooves, when viewed along the rotational direction of the radial run-out tool;
• and
• a radial clearance defined for each ridge;
• said method comprising forming the basic body via:
• in a first process step, grinding an unprocessed rod non-concentrically, such that a radius of the unprocessed rod varies, depending on rotational angle, between a maximum radius and a minimum radius;
• and
• in a second process step, grinding the chip grooves such that the guide chamfers are formed at positions with the maximum radius;
• whereby the radius of the formed basic body decreases in the rotational direction with respect to each of the guide chamfers, thereby defining the radial clearance.