This part of ISO 2725 specifies dimensions, the designation and the marking of hand-operated square drive
sockets with operating end and having a hexagonal or double hexagonal form in accordance with ISO 1174-1.
Machine-operated sockets (“impact”) are dealt with in ISO 2725-2.
NOTE 1 Hand-operated square drive sockets are listed under number 2 1 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.
ISO 2725-1:2007 history
2017ISO 2725-1:2017 Assembly tools for screws and nuts - Square drive sockets - Part 1: Hand-operated sockets
2015ISO 2725-1:2015 Assembly tools for screws and nuts - Square drive sockets - Part 1: Hand-operated sockets
2007ISO 2725-1:2007 Assembly tools for screws and nuts - Square drive sockets - Part 1: Hand-operated sockets
1996ISO 2725-1:1996 Assembly tools for screws and nuts - Square drive sockets - Part 1: Hand-operated sockets - Dimensions