Tolerance theory

the umpteenth tolerance gauge

The shaft has a nominal diameter of 12 mm - the holes have an oversize according to the labeling

Accordingly, the hole, for example, has a diameter of 12.1 mm, so 0.05 mm clearance all around, and a total of 0.1 mm

For the square, it's the same, the hole, for example, is 12.2 mm, thus the clearance is 0.1 mm all around, and a total of 0.2 mm

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