1 Scope
This International Standard applies to attachments for hand-operated square drive socket wrenches listed in ISO 1703 under designations 5 1 00 03 0, 5 1 00 04 0, 5 1 00 04 1 and 5 1 00 05 0.
NOTE 1 The above-mentioned designations correspond to the former designation numbers 203, 204 and 205.
It specifies
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a) the overall dimensions,
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b) the minimum Rockwell hardness value for their driving squares,
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c) the method of torque testing,
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d) the minimum torsional strength values,
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e) designation, and
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f) marking.
NOTE 2 For the specification of square adaptors with a hexagon or cylindrical flat drive, for power socket wrenches, see ISO 3317.