Applies to attachments for hand-operated square drive socket wrenches as listed under the numbers 251 to 257 in ISO 1703. Specifies overall dimensions, Rockwell hardness values, minimum torsional strength values, designation and marking.
Status : WithdrawnPublication date : 1996-11
Edition : 3Number of pages : 6
Technical Committee:Assembly tools for screws and nuts, pliers and nippers