This Prison Hinge 603 can be used for many prison applications, including access panels and weapons lockers. Hinge is 3″ X 4″ X .210″ thick steel with a fully welded pin.
This Institutional Mortise Hinge With Security Stud 604 FMCS is made from investment cast 304 stainless steel. Hinge is 4 1/2″ X 4 1/2″ X 3/16″ thick, with hospital tip and maintenance-free bearing assemblies.