Originally Posted by
Devotee
Okay, we're closer, but going back to my original problem, the issue with the threads showing on my front wheel when using a 12mm nipple comes not from the spokes being too short, they are the correct length, but rather because the spokes are threaded very, very long at 13.74mm. .....
So, you don't have a problem. Assuming spokes are the right length, then
ANY nipple with thread length less than 13.74mm is fine.
The universal rule simple ---- spokes can extend beyond the tops of nipples by an amount equal the the difference in thread length (spokes threads minus nipple threads).
So, it seems you're fretting over nothing.