A body 8.75 sbp axles (pending)

Are the wheel studs 7/16x20 threads? If they are, should be the correct axles for the 8.75 stock rear-end. No 65 and newer (72) A body 8.75 stock rearend ever came with 1/2" wheel studs AFAIK, unless they are aftermarket axles. I am sure RRR will know for sure.