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Anonymous users2024-01-23The door is used, when you need it, if you can't get inside, you can open it outside, if you need to, you can open it outside, anyway, you can open it inside and outside, that's a good key.
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Anonymous users2024-01-22It seems that your door is open inside, the construction key can be opened on the outside, the lock cylinder is broken on the outside and the inside is long, this should be changed to a lock cylinder, replaced with a lock cylinder as long as the inside and outside, if it is the same length, change the lock cylinder in a different direction.
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Anonymous users2024-01-21This kind of security door can only be opened from the inside, and it is difficult to find a repairer.
An anti-theft door can only hold one key in a lock cylinder, and you can only call the lock picking company to open it for you.
The anti-theft door is divided into AB keys, and the general decoration keys are 2, and the decoration keys are invalid after using the official key.
The security door has two sets of keys AB, and the A key is used by the decoration personnel. The B key is for the head of the household. Door lock manufacturers have developed a key specially prepared for the pre-decoration of residents. >>>More
The small bolt is not the same as the key anti-lock. The small bolt can only be bolted to one lock post, and the key reverse lock is the lock post in the three directions above and below the door frame. If the reverse lock does not work, check whether there is cement in the keyholes in the three directions of the door frame.
It can't be used.
The marble room in the pit with different depths of the decoration key and the formal key has a special structure and is equipped with a 1mm steel ball between the upper and lower marbles. When using the decoration key, the height of the lower marble in the pachinko room and the height of the small steel ball are just flush with the lock cylinder, so the decoration key can be used to twist the lock cylinder to unlock the lock. >>>More