I am building me a sub-plate for my machine like what we use at work. I it will have a bunch of 3/8-16 holes and 3/8 dowel pin holes. My question is what drill and reamer size to use. At work for 1/2 we use .484 drill, and and a .5005 reamer for a nice slide fit. So using that assumption I am guessing to use a .3594(23/64) drill and a .3755 reamer. This is for a precision slide fit. I may need a small slide hammer to remove them, but not a press fit or hard to remove. My confusion comes from dowel pin reamers that are undersized for dowel pins...assuming that is for a press fit?

Just need to know so I can order the correct stuff from Enco.