ISO International Standard

This document specifies hardness and minimum torsional strength for machine-operated square drive sockets in accordance with ISO 2725-2 intended for use with impact wrenches.

EXAMPLE Reference nos. 2 2 02 01 0; 2 2 02 02 0; 5 2 00 04 0.

NOTE The sockets mentioned above are listed under their respective reference numbers in ISO 1703.