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This standard specifies characteristics for standardized and non-standardized tools with defined cutting edges for deburring bores. These characteristics form the basis of communication, for example between users and suppliers. A further objective is the categorization of these characteristics into conformance classes, among other things for the standardization of data exchange. This standard has been prepared by Working Committee NA 121-07-01 AA "Merkmallisten und 3D-Modelle für Werkzeuge, Werkzeughalter, Spannmittel und Werkzeugmaschinen" ("Tabular layouts of properties and 3D models for tools, adaptive items, clamping devices and machine tools") at DIN Standards Committee Tools and Clamping Devices (FWS).