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Types of Deadlocks for Doors Hook bolt deadlocks can be used on storefronts with narrow stiles made of aluminum sliding doors to enhance security and strength of locks. These locks have keys on both sides to allow for greater flexibility. To accurately measure a new lock to your door, you must first determine the depth of the case (or backset). This is the distance from the edge of the door to the centre of the latch hole. Tubular Latch The tubular latch is by far the most well-known door latch. It's easy and simple to install, w
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