Lug nuts should not be a problem. I think that yours would be 1/2" so just look for 1/2" bulge nuts and I believe they should be 60 deg. on the bevel. That's what I did with mine and I have plenty of bevel face still showing.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed

My Chevy Master 4 Door is on the Road!