What is the experience of installing an security door

When selecting the lock cylinder, look at the lock teeth on the corresponding key, the more lines and grooves are more complex, the deeper the tooth marks, the more difficult it is to open, and the safety factor is high.

。The more beads inside the lock cylinder, the heavier it is, the higher the anti-theft performance. Some lock cylinders are easy to rust, so it is best to choose electroplating cylinders when buying, followed by copper cores.

Good anti-theft doors have been better treated in terms of airtightness, and the door lock party generally uses three sealing strips to strengthen the closure of the door leaf and the door frame, and enhance the sound and heat insulation effect.

The security door is a more secure design that prevents people from prying open, especially for thieves.

Qualified anti-theft special locks, there should be a steel plate at the lock for protection. Moreover, the lock inside the door has a three-point lock, not only the door lock but also the upper and lower crossbars can be inserted and locked. Poor quality basically does not have these three points.

It is important for the door to be burglar-proof, and a good lock cylinder can give the lockpicking expert a headache, and it cannot be opened for hours without using a violent keyless opening.

The security door is a must for every household. After all, it's for the sake of safety.

The thickness of the material of the anti-theft door panel is mainly reflected in the time of anti-violent vandalism.

What kind of level does the general anti-theft door lock belong to, which is usually mainly distinguished according to the shape of the key and the pin groove of the lock cylinder, and the more common lock cylinder level on the market is divided into ABC grade, and C grade is also called super B grade.

The installation of the anti-theft door should be in accordance with the type of anti-theft door used, and the appropriate installation method should be adopted.

The anti-theft door is definitely wanted, but don't believe in the brand and price, the thicker the plate of the door, the better, the plate does not refer to the thickness of the door.