What is the lock cylinder of the spring security door CT A580

Engineering doors (that is, the lock cylinder that you bring when you buy a house) rarely have a C-level lock cylinder, unless individual, if you want to identify, you can send the picture up. But normally, they are all pros who buy by themselves. Now the super B-level and C-level anti-theft lock cylinders are not expensive.

Pro, this is not very easy to measure, the door factory out of the anti-theft door with the model is also adapted according to the requirements of the developer, so there is no way to know directly, if it is a recent anti-theft door, it is generally a universal lock cylinder, pro only need to measure it as shown in the figure below to know the size, and then according to this size, pro can be found. It is recommended to use the Saidian brand super B-level C-level idling blade anti-riot lock cylinder supervised and produced by the expert committee of China's lock industry. Eight functions such as anti-technology opening, anti-violence, anti-tin foil, and anti-prying are all in one, and the quality is very good.

There are three levels of lock cylinders for anti-theft doors, divided into A-level, B-level, C-level, A-level and B-level anti-theft performance is relatively low, familiar can generally be opened in seconds, C-level anti-theft level is the highest, relatively safe, the lock picking time takes 270 minutes, far beyond the range that thieves can bear to pick the lock, therefore, friends who use A-level or B-level lock cylinders at home should be replaced to C-level as soon as possible.

Your security door should be very old, 45cm is difficult to find this kind of lock cylinder now.

1. Unscrew down the two screws on and below the pull handle panel; >>>More