A cutter head that comprises at least one blade and at least one adapter chamber arranged in the blade for assembly of a tool holder in the blade, in which the adapter chamber is a cavity located in the blade and having an opening and an assembly recess. Also a blade for a cutter head, as well as a tool holder for assembly on a cutter head for a dredger is included. Moreover, included is a tool arrangement for a dredger. Included also are a method for assembly of a tool holder in a cutter head for a dredger and a production method for a blade for a cutter head for a dredger.