I lost my security door key, how do I change the lock?

Updated on Security door 2024-09-17
2 answers
  1. Anonymous users2024-01-24

    There are hidden dangers in AB keys, change the lock heart, about 100 pieces of anti-theft door A key B key is only a tooth difference, AB key has hidden dangers The so-called A key and B key are a lock mode commonly used in family security doors today. Usually a security door has 2 A keys and 5 B keys. The A key, also known as the "worker's key", is used by workers during renovation.

    At the end of the decoration, use the B key, that is, the "master key", to turn around in the lock, and the A key will automatically become invalid, and you can only use the B key to open the door. This kind of door lock has always been considered to prevent the possibility of renovation workers turning into thieves, and also saves the trouble of changing locks after decoration, and has been favored by consumers for many years.

  2. Anonymous users2024-01-23

    It is a lock cylinder that is easy to change, fifty pieces, and the lock company is 200

Related questions
2 answers2024-09-17

You can go to the place where you bought the security door, buy the lock cylinder there, and then ask the boss to arrange a professional decorator. Maybe the boss will give you a certain discount because you are a repeat customer.

1 answers2024-09-17

When looking for the lock first, let the master use the insert to insert the door lock (the insert unlocking is not to hurt the door lock anything) to open the door and then replace the lock cylinder, so that the damage to the door lock and the door is small, and the price of changing the lock cylinder is not very expensive, in addition, it is recommended that you have better change the door lock of the password lock fingerprint lock to avoid losing the key and not opening the door.

10 answers2024-09-17

When you have time, remove your lock first and take it to another decoration hardware store. >>>More

1 answers2024-09-17

Find a professional to open the anti-theft door to change the lock, there are advertisements everywhere in the community, about 120 to 200 yuan.

2 answers2024-09-17

It can be matched, if you are worried, it is also possible to change the lock heart, but I personally recommend that you can buy a fingerprint lock, which is easy to use.