Need help with drilling calculations

[metiz]

Hey Kevin

I guess it depends on the diameter. For 30mm I'd expect the one in the 3rd drawing.

Sucks about your girlfriend. Ask yourself if it's worth it getting her back. If she broke off with you after that long it might be because she's just done with the relationship and this isn't the result of a fight or something like that

[kevin lee]

Yes your correct, i do need to move on. She will never be happy with me