What size drill to use for undersized Cuetec 3/8-14 tap?

I have a CF blank that I'm finishing to fit a Cuetec 3/8-14 pin. I bought an undersized 3/8-14 tap. I installed a phenolic insert and am looking for confirmation of what size to drill/bore out

What size drill to use for undersized Cuetec 3/8-14 tap?

What size drill to use for undersized Cuetec 3/8-14 tap?

What size drill to use for undersized Cuetec 3/8-14 tap?