DIN ISO 3317:2017-11

This document prescribes the technical specifications for square drive adaptor hexagon or cylindrical flat inserts for power socket wrenches. It applies to square drive adaptor with hexagon drive or with cylindrical flat end drive as defined in ISO 1173, and to driving squares for power socket wrenches as defined in ISO 1174-2. DIN 7428:1987-02 is replaced and withdrawn with the publication of this document. This standard differs from DIN 7428:1987-02 as follows: a) form C has been included; b) dimensions for d_min have been revised; c) dimensions for l have been partly revised; d) the standard has been editorially revised. The responsible German standardization committee is Working Committee NA 121-05-01 AA "Schraubwerkzeuge, Fügewerkzeuge" ("Assembly tools for screws and nuts, Fastening tools") at DIN Standards Committee Tools and Clamping Devices (FWS).