A method for transmitting at least one tool presetting data set of a machining tool that is stored on an, in particular electronic, storage medium, at least one tool measuring data set of the machining tool that is stored on an, in particular electronic, storage medium and/or at least one tool processing data set of the machining tool that is stored on an, in particular electronic, storage medium to a machine tool that is controlled via Computerized Numerical Control [CNC machine tool], with a data communication unit, wherein in a tool delivery step at least the machining tool is delivered to the CNC machine tool and wherein in a tool identification step the delivered machining tool is identified via a tool identification unit, which is in particular allocated to the CNC machine tool, the method including a read-out step, which is in particular situated temporally after the tool identification step, in which at least the tool presetting data set of the machining tool, the tool measuring data set of the machining tool and/or the tool processing data set of the machining tool are/is read out of the storage medium by the data communication unit and is transmitted to a data processing unit that is allocated to the CNC machine tool, in particular to the CNC machine tool, wherein the storage medium is arranged apart from the machining tool, apart from a tool holder holding the machining tool and apart from the CNC machine tool.