Product requirement The axis of the hole on the left-hand side must be contained in a tolerance box 0.5 x 0.2 x width, as shown, with its sides parallel to the datum axis X and in the same horizontal plane.

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Datum axis X

Section AA

Datum axis X

0 0.4 |
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X | ||

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Datum axis X Width Drawing instruction The tolerance zone is the space between two parallel lines or surfaces; it can also be the space contained within a cylinder. All tolerance zones are perpendicular to the datum feature. The magnitude of the tolerance value is the specified distance between these parallel lines or surfaces, or the diameter of the cylinder. |

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