To create a possibility for transferring coolant and/or lubricant from a tool holder to a tool, which is easy to produce and ensures reliable sealing.

In this depth stop 1 for use in a tool holder and suitable for transferring coolant and/or lubricant to a tool, the depth stop 1 has at least one coolant channel 4 and an end face 6. The end face 6 is provided to make at least partial contact with an end face 10 of the tool 2. The depth stop 1 has, adjacent to and spaced apart from the end face 6 of the depth stop 1, a cutout 8 which surrounds the depth stop 1 in the circumferential direction and in which a seal 5 is received.