Front End
Explanation of dimensions
The dimensions in the table are listed as follows:
Symbol number 1 means that the measurement is taken from the center.
Symbol number 2 means that the measurement is taken from an edge.
Symbol number 3 means that the measurement is taken from a cut mark. Measurements are taken from the bottom of the recess.
If only one measuring point symbol is displayed, the symbol applies to both measuring points. Otherwise the symbols are shown on each side of the dimension in the illustration.