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NBN ISO 3318:2021
Assembly tools for screws and nuts — Open-ended wrenches, box wrenches and combination wrenches — Maximum widths of heads
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Summary
This document 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.
This document does not cover technical specifications for these products. Technical specifications are
given in ISO 1711-1.
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.
This document does not cover technical specifications for these products. Technical specifications are
given in ISO 1711-1.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 06/07/2021 |
| Page Count | 12 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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