Hi, It is not possible with Gerbers. We do it in 2 ways: 1. with the technical layers, pointing the holes we do not want to be plated. 2. with a readme file expaining the same things.
Some manufacturers don't accept neither of them, example Pcbexpress. Pedro. > 2. When making holes in the board that you don't want to be plated, > What method do you use to give the board manufacturer a list of the > holes that you don't want plated?
