Actually the threads are the same, but the depths are not. The second one I posted from More Beer uses a pin to depress the paintball tank "valve" and that same pin doesnt interfere with the normal co2 tanks. ONLY THE ONE FROM MORE BEER WORKS ON BOTH!! Only this one has a detached tightening nut just like ones used for normal co2 tanks. The one from "Williams Brewing" ONLY works on paintball tanks.
The More Beer one works on both the pin actually fits in the small threaded hole in the center of the co2 tank connection, but doesnt block it or disrupt airflow.
Hope this all helps
-DIG
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