Patent ID: 8747034

Claim:
Boring head comprising: a tool body, first and second cutter holders, two clamping screws detachably fastening the first and second cutter holders respectively, against clamping surfaces of said tool body, said first and second cutter holders being arranged offset from one another by 180° and being mounted on the clamping surface in a slidable manner for radially adjusting a position of the first and second cutters, and adjusting means for adjusting a radial position of the first and second cutter holders with respect to the tool body independently of one another, wherein the clamping surface has a first partial clamping surface for the first cutter holder and a second partial clamping surface for the second cutter holder, respectively, the two partial clamping surfaces being offset in an axial direction by a certain extent, the first and second cutter holders having different heights with respect to each other in accordance with the certain extent, and the first and second cutter holders can be optionally fastened to and radially adjusted on the first partial clamping surface or the second partial clamping surface.