Joined: Nov 2005
Posts: 5,768
Likes: 10
Bikes: Cinelli, Paramount, Raleigh, Carlton, Zeus, Gemniani, Frejus, Legnano, Pinarello, Falcon
In my experience, the threads are the same, but there could be variations. Avoid the Zeus 16mm, you can't get a wrench on them.
I bought some cool, large allen bolts on ebay recently that have a rubber stopper so you don't need dustcaps.