Patent ID: 8894155

Claim:
A device comprising a roller element rotatably supported about a longitudinal axis, at least one tool holder, a support element for supporting a cutting tool and a cutting tool, wherein the tool holder includes a receiver receiving the support element in a form locking manner and the support element includes a bore hole, wherein a fixation element is connected in a force transferring manner with the support element through a threaded connection, wherein the fixation element is arranged coaxial with the support element, wherein the support element and also the fixation element respectively include a support portion, wherein each of the support portions protrudes in a radial direction beyond the receiver of the tool holder and is supported with a support surface of the respective support portion, wherein the support surface is respectively oriented towards the tool holder and supported at a respective corresponding support surface of the tool holder, wherein the support portion of the fixation element is formable by a safety ring that is removable without destruction, and wherein the safety ring is supported in a circumferential groove of the fixation element.