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Dear, there will normally be four and six. If it is a B key, there will be seven or eight, it depends on the model and specifications, so dear, can only give you so many possibilities.
Generally, the security door is divided into decoration key and formal key, the general decoration key is 2, and the formal key is about 5 or 6.
2 decoration keys + 5-6 master keys.
Generally, genuine security doors are available.
Six or seven keys. Two of the A are used for decoration, and after the renovation is completed, the A key will be scrapped when the B key is used to open the door at home. Be sure to follow the instructions to distinguish between A and B keys and keep B keys in a safe place. B keys are generally 4-5. >>>More
Now the common security door lock cylinder is equipped with 4 keys. >>>More
Six, the normal ones are like this!