How Do Security Door Hinges Work

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How do security door hinges work.

Security tab or stud hinges security tabs are features on butt hinges that lock the two leaves of the hinge together when the door is closed. Security studs are options for butt hinges that lock the two leaves of the hinge together when the door is closed. Security studs are used for exterior doors that open outward. Ball bearing hinges are considered heavy duty and durable making them ideal for entry doors.

Purchase security setscrew hinges. A type of butt hinge see below it has hidden bearings between the knuckles of the hinge which reduce friction and help doors operate more smoothly. Flanges and set screws can hold the pins in place for instance or stud screws can hold the two sides of the security hinge together even after the hinge pin is removed. This allows the door to stay secure even if the pin is removed from the barrel or if the barrel is cut off the hinge because the two leaves are still locked into one another.

Use a tap to thread the hole with a thread to match the setscrews that you have purchased. The security hinge can use several different features to make it either difficult to remove the hinge pins or hard to take the door off by removing the hinge pins. The tab on the right side down in the picture locks with the hole on the left side locking the hinges in place. Doors that open outward have their hinge pins on the outside of the building.

Take the hinges off the door and drill a hole in the spot you marked. Replace the hinges and door tighten the setscrew and the hinge pin can no longer be removed from the outside of the door.