How Do Security Door Hinges Work
Get the hinge research rolling with our ball bearing hinge guide.
How do security door hinges work. Ball bearing hinges are considered heavy duty and durable making them ideal for entry doors. 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. Take the hinges off the door and drill a hole in the spot you marked. 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 stud on one leaf mates into a hole on the other leaf. The tab on the right side down in the picture locks with the hole on the left side locking the hinges in place. There are typically 3 kinds of security hinges on the market. Security studs are options for butt hinges that lock the two leaves of the hinge together when the door is closed.
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. Security studs are used for exterior doors that open outward. Doors that open outward have their hinge pins on the outside of the building. Use a tap to thread the hole with a thread to match the setscrews that you have purchased.
Replace the hinges and door tighten the setscrew and the hinge pin can no longer be removed from the outside of the door. Purchase security setscrew hinges.