BS ISO 2725-3:2017 specifies dimensions, designation, and marking of machine-operated "non-impact"
square drive sockets.NOTE Machine-operated "non-impact" square drive sockets covered by this document are the ones identified
in ISO 1703 under reference numbers 2 2 02 01 0.Cross References:ISO 691:2005 (R09) Ed 4ISO 1174-2:1996 (R10) ISO 2725-1:2017ISO 2725-2:2017ISO 4032:2012 ED4ISO 1703ISO 272ISO 4014:2011 Ed 4All current amendments available at time of purchase are included with the purchase of this document.