Alcance
ISO 2725-2:2015 specifies dimensions, designation, and marking of machine-operated "impact" square drive sockets with operating end having a hexagonal or double hexagonal form in accordance with ISO 1174‑2.NOTE 1 Machine-operated "impact" square drive sockets are listed under number 2 2 02 01 0 in ISO 1703.NOTE 2 The figures in this part of ISO 2725 are given only as examples. They are not intended to influence the manufacturer's design.