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Anonymous users2024-01-24The anti-theft door is divided into A, B, C, D, grade A is the best, the level is on the door panel inside, the D door is destroyed to open and the technology to open the shortest time, it is recommended that there is an idea to replace the super B level lock cylinder, as long as the anti-theft door is used correctly, it is no problem to rest at home and lock the safety bolt, and go out to lock the lock cylinder.
To put it simply, the hand used to open the door from the outside is which side, or the security door with a handle is the direction that the outside handle points to. Generally, the right-hand door is a right-hand lock, and the left-hand door is a left-hand lock. >>>More
Security doors are now hierarchical, A. Second. Third.
Fourth.. The best is Grade A. >>>More
Left or right door. Whether it is open inward or outward, this must be clarified, otherwise it will not be able to be used when you buy it back.
The anti-theft door is divided into grades, the thickness of the Grade A security door is about 2 mm, the security door is used in fire and sound insulation, heat insulation and thermal insulation performance of aviation honeycomb aluminum or aluminum silicate rock wool, etc., like the anti-theft performance of the lock of the Grade A security door is B-level, which is what we call the advanced protection level, the Grade A anti-theft door will be more durable.
Is it wiped to the door frame when the door leaf is opened?