Originally Posted by CarrsvilleSmoker
I have decided to go with using 4- 3/4 x 5 inch pipe nipples. What size hole would I need to drill for these? I thought I remembered seeing somewhere on here that I would need 1 inch holes for these. Thanks.
I believe 1" is correct. If you're using a step bit you can always drill it to a size that's close than try a nipple to see if it fits, then go from there if you need to make it a little bigger.