A hinge for mounting a door to a door frame through upper and lower assemblies, with each assembly including a door frame plate and a door plate disposable in engagement with each other to define a common pivot axis extending through both assemblies. The door frame plate of the upper assembly is provided with a hole engageable by an axle carried on the top surface of the corresponding door plate. The door plate of the second assembly includes a downwardly extending flange engageable within a blind hole formed in the corresponding door frame plate, with the bottom of the hole having a convex protrusion for stabilizing the door in an open position.
