This document applies to attachments for hand-operated square drive socket wrenches.
NOTE 1 The attachments for hand-operated square drive socket wrenches covered by this standard are the ones identified in ISO 1703:2018 under reference No. 5 1 00 03 0, 5 1 00 04 0, 5 1 00 04 1 and 5 1 00 05 0.
It specifies
a) the overall dimensions,
b) the minimum Rockwell hardness value for their driving squares,
c) the method of torque testing,
d) the minimum torsional strength values,
e) the designation, and
f) the marking.
NOTE 2 For the specification of square adaptors with a hexagon or cylindrical flat drive, for power socket wrenches, see ISO 3317.