How does a dimension like 2-Ø12X25L describe an oval hole?

You would inspect a dimension from that datum plane, not an slot or key type of feature, where the datum callout flag is put in line with the dimension

Is there any way to have a hole callout dimension on an inch drawing for a just a couple holes that you want called out in Metric?

slot joker123 net or if not, what is a better way to make the callout? Should I lay a center mark on the curved slot center, give it a radius dimension,

slot igrice besplatne The slot size specification is created Click Add in the Semantic Tolerancing Advisor dialog box The Datum Reference Frame dialog