A milling cutter for a wood operating machine has pairs of bottom plates, (20) each plate having a recess (50) to received a trimming insert. Each couple of foundation plates is installed on helpful information plate (24), and several such instruction plates are mounted on a common planetary gearbox tubular shaft (10). Each foundation plate includes a toothed rack. The toothed racks of every pair of bottom plates engage a common pinion (84) mounted on the tubular shaft. The radial distance of each bottom plate is altered by a screw and the racks and pinion make sure that the radial adjustment can be exactly the same for each member of the same couple of base plates. Make use of – Milling cutters for woodworking devices.