70* datum D
Axis of hols must be perpendicular must totally lie within the segment basically located In relation to the to datum A as specified, and of a ring-shaped tolerance zone specified datum reference frame.
^ Datum plane B
Datum plane A
0.04 wide tolerance zone
True position related to datum reference frame
FIG. 5-42 BIDIRECTIONAL POSITIONAL TOLERANCING, POLAR COORDINATE METHOD
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