https://zenwriting.net/roadbir....ch18/15-reasons-you-
Types of Deadlocks for Doors Hook bolt deadlocks are used on narrow storefronts made of aluminum sliding doors to increase security and strength of the lock. The locks are double-keyed to give greater flexibility in access control. To accurately determine the size of a new lock for your door, you must first determine its case depth (or backset). This is the distance from the edge of the door to the center of the latch hole. Tubular Latch The tubular latch is the most well-known door latch. It's easy and si
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