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ISO 3318:2016
Assembly tools for screws and nuts - Open-ended wrenches, box wrenches and combination wrenches - Maximum widths of heads
ISO 3318:2016 specifies the maximum outside head dimensions for open-ended wrenches, box wrenches and combination wrenches.
NOTE 1 The wrenches covered by this document are the ones identified in ISO 1703:2005 under reference nos. 1 1 01 02 0, 1 1 01 05 0, 1 1 01 06 0, 1 1 02 03 0, 1 1 02 04 0, 1 1 02 05 0, 1 1 02 06 0, 1 1 02 01 0, 1 1 02 02 0 and 1 1 02 08 0.
NOTE 2 Box wrenches can also be designated as ring wrenches.
ISO 3318:2016 does not cover technical specifications for these products. Technical specifications are given in ISO 1711‑1.
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International Organization for Standardization [iso]
