Thanks to both.
I do a copy of the pcb to use it as a template too. I'm used to doing tap holes but I admit that I have never needed so much precision. For example for transitors I use a 2.5mm drill and then a 3M tap with a "manual tap" (I don´t know if it's like that in English, sorry) . I don´t usually have problems but I would like them to be perfect.
My biggest question was how to use the tap holde tool correctly. Now that I have seen the photos, it has become clear to me. Today I bought that tool in the UK. I hope it arrives soon.