Abstract: An agitator mill for the continuous processing of flowable grinding stock with a bearing housing arranged on a stand, a drive shaft which turns in at least one bearing of the bearing housing with a detachable grinding chamber attached to the bearing housing which is equipped with a grinding stock intake and contains grinding stock as well as grinding bodies and also having a detachable agitator shaft coupled to the bearing housing and reaching into the grinding chamber where it carries at least one agitating element, a discharge chamber situated between the grinding chamber and at least one bearing and a separation system arranged between the grinding chamber and the discharge chamber which is equipped with a separator ring rotating about the agitator shaft and a stationary ring attached to the bearing housing. Between the two is a separation slit which will permit the processed grinding stock to flow through but will retain the grinding bodies.