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NBN ISO 4229:2021
Assembly tools for screws and nuts — Single-head engineer's wrenches for lower torque applications — Maximum outside dimensions of heads and test torques
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Summary
This document specifies requirements of single-head engineer’s wrenches with nominal width across
flats from 3,2 to 120.
It specifies the maximum outside dimensions of heads and gives the test torque values. The “lower
torque application” designation is in accordance with the smaller head dimensions.
NOTE The wrenches covered by this document are the ones identified in ISO 1703:2005 under reference
Nos. 1 1 01 01 0 and 1 1 01 01 1.
flats from 3,2 to 120.
It specifies the maximum outside dimensions of heads and gives the test torque values. The “lower
torque application” designation is in accordance with the smaller head dimensions.
NOTE The wrenches covered by this document are the ones identified in ISO 1703:2005 under reference
Nos. 1 1 01 01 0 and 1 1 01 01 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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