Thanks for your responses im am using ISO 5458 1999 for position.
I'm glad it is not just me who finds ISO vague. when ever i suggest at work that ISO and ASME are different I quickly get shut down.
All
In ISO 5458 they show an example on page 7 of a tolerance combination. the symbol used is identical to Composite tolerancing as defined in ASME Y14.5M 1994 (chapter 5.4). My senior engineer has told me they are the same because "ISO and ASME are basically the same standard".
I do not...