urgent help with pcb threaded holes

[tomigambi]

Hello, im making a pcb wich has two 3mm holes that need to be threaded and i dont know how to do it, i need to  have the gerber files so i can send them and make it. thanks (holes marked in blue in attached photo )

[jorge_garcia]

Hi @tomigambi,

I hope you're doing well. PCB fiberglass can't really hold a thread, it would likely need a threaded insert. Have a conversation with your manufacturer to see what they need in the gerbers to indicate that you need threaded inserts for those holes.

Best Regards,