=== update ===
answer on my question is give to me by accidentally.
I ordered a 7-segment digit panel pcb with 3 holes for mounting on the left and righst side (middle and corner) for screws.
Got a reply that it's not allowed because it was panelizing.
It was ment to be for mounting but i didn't want to argue and i removed the corner holes and then it was ok.
Ok, v-cut it shall be ....