This document is applicable to driving parts of hand-operated square drive socket wrenches.
NOTE The driving parts covered by this document are the ones identified in ISO 1703:2018 under reference No. 6 1 00 01 0 and 6 1 00 01 1, 6 1 00 03 0, 6 1 00 04 0, 6 1 00 05 0 and 6 1 00 05 1, 6 1 00 06 0 and 6 1 00 06 1, 6 1 00 09 0 as well as 6 1 00 10 0 and 6 1 00 10 1.
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,
f) the marking.