In each column, the upper figure is the upper dimensional tolerance, and the lower figure is the lower dimensional tolera hole tolerance range class nce. Iso 2862 round bar tolerances tolerances are all plus 0mm, mm size. Note values shown in the upper portion of respective lines are upper dimensional tolerance, while values shown in the lower portion of respective lines are lower dimensional tolerance. Standard tolerance unitfactor the formula has parabolic relationship with the size of the products. The iso 2768 general tolerances package provides the permissible deviations of angular and linear dimensions applicable. Inches shaft diameter tolerance up to and including 4. Fits, tolerance and surface roughness pdf book manual. Iso tolerance zone calculator theoretical machinist. Seal od diameter tolerance bore diameter iso h8 bore tolerance metal. The maximum tolerance describes the largest size the feature can be after the tolerance has been applied to the basic size. Nominal sizes tolerance tolerance tolerance tolerance tolerance tolerance over to h11 c11 h9 d10 h9 e9 h8.

Iso 2768 hole tolerance table