Originally Posted by
FBinNY
There's no difference in strength of the spoke since the thread depth is the same, but the holding power of the nipple would be severely compromised. You could cut a smaller thread but then you'd never find nipples to fit.
OK, I mistyped that the spoke itself would be weaker but, as you note, the spoke/nipple interface will be. Then again, rolled threads cold work the spoke metal and leave a more rounded and smoother profile at the root of the threads so I do think the spoke itself will also be stronger.