Historical
ISO 2725-1:2015
Assembly tools for screws and nuts - Square drive sockets - Part 1: Hand-operated sockets
ISO 2725-1:2015 specifies dimensions, the designation, and the marking of hand-operated square drive sockets with operating end and having a hexagonal or double hexagonal form in accordance with ISO 1174‑1.
NOTE 1 Hand-operated square drive sockets are listed under number 2 1 02 01 0 in ISO 1703.
NOTE 2 The figures in this part of ISO 2725 are given only as examples. They are not intended to influence the manufacturer's design.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]