Cutting tool , in particular a reaming tool for producing or post-machining of a plug bore, - comprising a clamping shank and a tool carrier with a cutting head and at least one cutter which is arranged at an axial cutting head end and which is at least partially designed as a reaming cutter , wherein said tool carrier comprises a chip-receiving space which is designed to receive material chips from a component to be machined, and which is bounded by a chip-removal surface adjoining the cutter and a chip-guiding surface oriented at an angle, more particularly at a right angle thereto, and which extends radially outwards, more particularly in a concave or angled manner, from the cutting head end in the direction of the clamping shank and opens out on a circumferential side of the tool carrier , - wherein the cutting head comprises a chip corridor adjoining the cutter , characterized that the chip corridor is designed to be completely enclosed on its circumferential side to receive material chips from a component to be machined, and which comprises a radially extending chip gap and at least a first, a second and a third corridor surface extending from the cutting head end in an axial direction, wherein the first corridor surface comprises at least one partial section of the chip-removal surface , wherein the second corridor surface extends in an angled or curved manner in an axial direction to widen the chip corridor starting from the chip gap towards the chip-receiving space , and wherein the third corridor surface at least partially bounds and/or closes the chip corridor on a circumferential side of the cutting head , wherein the cutting head is designed as a separate component and is releasably or permanently attached to a main body of the tool carrier , and the chip corridor is formed within the cutting head . - comprising a clamping shank and a tool carrier with a cutting head and at least one cutter which is arranged at an axial cutting head end and which is at least partially designed as a reaming cutter , wherein said tool carrier comprises a chip-receiving space which is designed to receive material chips from a component to be machined, and which is bounded by a chip-removal surface adjoining the cutter and a chip-guiding surface oriented at an angle, more particularly at a right angle thereto, and which extends radially outwards, more particularly in a concave or angled manner, from the cutting head end in the direction of the clamping shank and opens out on a circumferential side of the tool carrier , - wherein the cutting head comprises a chip corridor adjoining the cutter , characterized that the chip corridor is designed to be completely enclosed on its circumferential side to receive material chips from a component to be machined, and which comprises a radially extending chip gap and at least a first, a second and a third corridor surface extending from the cutting head end in an axial direction, wherein the first corridor surface comprises at least one partial section of the chip-removal surface , wherein the second corridor surface extends in an angled or curved manner in an axial direction to widen the chip corridor starting from the chip gap towards the chip-receiving space , and wherein the third corridor surface at least partially bounds and/or closes the chip corridor on a circumferential side of the cutting head , wherein the cutting head is designed as a separate component and is releasably or permanently attached to a main body of the tool carrier , and the chip corridor is formed within the cutting head . <EOS>