It doesn t matter if the inside and outside of the lock cylinder of the anti theft door are reversed

Hello, the keyhole inside and outside the lock cylinder is in a straight line, but it doesn't work!

The size of the lock cylinder of the anti-theft door, if you have a strong hands-on ability, you can remove it and measure it, based on the distance between the middle screw hole and the two keyholes, of course, if you are troublesome, you can simply measure it, as shown in the figure below, you only need to measure L1 + L2. >>>More

Under normal circumstances, the lock cylinder indoor door side can be A B key universal, the outdoor door side B key can not be used after the A key is used, the principle is not much to say afraid of being used by someone with a heart, if it is reversed, there will be two consequences, first of all: the anti-theft effect will definitely be a little different, because there must be a change, but the difference is not big, as long as it is not a particularly simple bullet lock, the impact will not be too large, remember not to throw the A key casually, This mainly refers to some lock cylinders with better quality or better brands to do more responsibly; Another consequence is that there is no anti-theft measures on the side of the indoor door, so if it is installed in reverse, then the anti-theft performance will be greatly reduced, so it is necessary to pay attention to it, and the security of the lock is likely not to be replaced. This kind of is mainly some"Hearted"of businesses to save costs.

Turn to the left is to lock the door, you can look at the imitation wide shout in the case of the door open to see the working situation of the lock to understand, generally turn left two times to be able to lock all the locks in place, so that when you go out, the anti-theft door can really play the role of anti-theft, remember to lock the door when you go out!!

The anti-theft door lock cylinder is basically divided into three levels, namely A-level, B-level, and super B-level. The anti-vandal opening time of the A-class lock cylinder is more than 15 minutes, and the anti-technical opening time is more than 1 minute. The anti-vandal opening time of the B-class lock cylinder is more than 30 minutes, and the anti-technical opening time is more than 5 minutes. >>>More