Camlocks are available from aircraft supply companies such as Aircraft Spruce:
http://www.aircraftspruce.com/menus/ha/fasteners.html
But they're not Camlocks. Camlocks have the same type shank but a different (smaller head). The Pantera fastener head is a Dzus type but Dzus fasteners have a different shank.
They are unique to the Pantera.
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