My plumber is coming tomorrow morning and he is expecting me to have prepaired the vanity top for a faucet installation. (It was a custom top and doesn't have any holes in it for the plumbing.)
I have the faucet, and I drilled a 3/4" hole becuase that slightly exceeded the diameter of the threads on the faucet. But then I realized that the plumbing part of the faucet has a wider part. Anyway, it's hard to explain, but the bottom line is that I don't know what size holes to drill and how to determine it.
The included instructions assume that the holes are already there.
Is there such a thing as a standard hole size for the faucet's plumbing?
My faucet is this: