What is the size of the hotel door lock?

1, first determine the lock body size (hole spacing); For example: 50 locks, 58 locks, 72 locks, 85 locks and other models.

2. When determining the length and width of the lock body guide plate, it is also necessary to determine the depth, height and thickness of the lock body in the door leaf.

3. It is also necessary to determine whether the square tongue and oblique tongue on the side of the lock body are on the same parallel line with the original square tongue and oblique tongue of the lock body.

4. Determine the distance between the two screw holes on the inner plate.

5. Finally, determine the size and length of the lock core. There are big 70 lock cores and small 70 lock cores. Generally, high-grade locks are equipped with large 70 lock cores. Ordinary lock or mid-range lock with small 70 lock core. Also determine the thickness of the door. If the door is 5 cm thick, it will be very short with a standard lock core.