Container adapted to be inserted in a tool holder, a tool holder and a system

A container for building various elements into a tool holder, and for installation in a cavity with a cavity wall in a tool holder, wherein the container includes at least a central part and end parts, wherein the end parts are connected to the central part, and

• wherein the central part includes an external surface with at least one contact area adapted for contact with the cavity wall in the tool holder and at least one clearance area adapted for contact with a cooling fluid.

A tool holder into which a container can be installed for building various elements into the tool holder, the container including at least a central part and end parts, wherein the end parts are connected to the central part, wherein the central part includes an external surface with at least one contact area adapted for contact with a cavity wall in the tool holder and at least one clearance area adapted for leading a cooling fluid between the external surface and the cavity wall,

• the tool holder having a first end, a second end, and an internal cavity defined by the cavity wall,
• wherein the first end of the tool holder is adapted for being fixed to a machine tool and the second end is adapted for attachment of a cutting edge or cutting element carrying unit, and
• wherein the internal cavity is adapted to receive the container so that one end of the internal cavity is connected to a supply for a cooling medium and the other end is connected to an outlet for the cooling medium, and the cavity includes an opening for installation of the container.

The tool holder according to 15, wherein the cavity wall includes at least one cylindrical portion for contacting the at least one area of the container.