Overview

This standard applies to driving parts for hand operated square drive socket wrenches according to DIN 3120. The test torques, the test conditions and the hardness of the driving parts according to this standard are in accordance with International Standard ISO 3315:2011. This standard has been prepared by 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).

Document: references other documents

Responsible national committee

NA 121-05-01 AA - Assembly tools for screws and nuts, Fastening tools