How much is the door lock of Baijia brand anti theft door?

Generally, anti-theft door manufacturers do not make locks.

They were all purchased and purchased and installed on.

Therefore, the lock is universal, especially the lock cylinder is all universal.

The lock cylinder of the anti-theft door is divided into A, B and super B levels according to the structure:

A-level: the key is flat, only single-sided single-row bullet slot, the cross key is basically A-level, and it only takes about two or three minutes to open;

Class B: From the key, it is a double-sided double-row bullet slot, even if there are tools, it takes some time for a skilled worker;

Super B level: It is the safest level at present, from the key to the general double-sided double-row bullet slot, there is a blade or curve next to it, its lock cylinder design technical standard is more than 270 minutes.

Generally, the super B lock cylinder is replaced, that is, there is a snake-shaped groove on the key, which requires 200 yuan.

If you buy it online, it will be 70-80 yuan. The lock repair master will earn 100 yuan once.

If you have the conditions, it is better to change it yourself, save money and be safe. The Meribo lock cylinder is very good, 70 yuan.

1. Disassemble the lock cylinder sequence:

1.Remove the inner and outer handle panels: Screw on the handle panel in the house, one on the top and one on the bottom.

2.Remove the inner and outer lock cylinder caps: The screws are on the lock cylinder caps in the house, which are the left and right sides of the key.

3.Dismantle the lock cylinder positioning screw: The screw is on the side of the door, in the middle of the deadbolt, at the same height as the lock cylinder. The thickest one is.

4.At this time, the old cylinder can be removed: the old and new cylinders are the same, and they can be replaced.

Second, install the new lock cylinder:

The order is reversed from when dismantling, and there are a few points to note:

1.Before installing the new lock cylinder, add a small amount of special lubricant to the new lock cylinder. Turn the key several times repeatedly.

2.The lock cylinder positioning screw must be tightened to prevent the screw from loosening and opening the door in the future.

3.Do not tighten the screws of the lock cylinder cap too tightly to prevent screaming and it is not easy to unlock.

4.When installing the inner handle panel, there is a safety bolt underneath, which should be inserted into the corresponding safety bolt hole.

The lock cylinder of our side of the 100 anti-theft doors has been upgraded, with the Jiabao super C-level lock cylinder, the size is matching, the locksmith here said that the Jiabao super C-level lock cylinder, the thief is not able to use tools to open, specifically to prevent thieves, the locksmith also said to buy a good anti-theft door, anti-theft or not anti-theft mainly look at the lock cylinder, I lost the key at home last time, found 3 locksmiths to come over can not open, and then the locksmith still climbed the window in, the suggestion is that the anti-theft door of the hundred best to replace the lock cylinder with an upgraded Jiabao super C-level lock cylinder, This can be more anti-theft and safer, and it can also be bought on Taobao.