UNE-EN ISO 5458:2021

This International Standard establishes complementary rules to ISO 1101 to be applied to a pattern and

defines rules to combine individual specifications, for geometrical specification of form, orientation,

location or run-out

These rules are applicable when:

the same geometrical specification is applied to more than one geometrical feature considered

individually or as united feature or as a pattern for GPS specification;

more than one tolerance zone is established simultaneously with orientation and/ or location

constraints between them, creating internal constraints to a pattern.

This International Standard does not cover the use of the pattern (3.1):

when the least and maximum material requirement is applied (see ISO 2692);

when a datum is established from a collection of datum features without priority between them as

a pattern (see ISO 5459).