Patent ID: 8250893

Claim:
A knurling tool, with a base body featuring an axis and adapted to be clamped into a machine tool, which accommodates a holder and conical knurling wheels rotatably mounted in the holder, wherein three conical knurling wheels arranged at equal circumferential distances are mounted in the holder around a wheel axis which embraces a first angle α 1 with respect to the supporting axis, wherein a workpiece cone is insertable between the conical knurling wheels along the supporting axis and the conical knurling wheels embrace a second cone angle α 2 , characterised in that the holder features three segments, each of which mounting one conical knurling wheel via a bearing pin, an adjustment device is provided by which the segments, being guided radially, are radially adjustable synchronously about a certain amount, and fixing means are provided which fix the adjustment device and the segments, respectively, in an occupied position.