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Anonymous users2024-01-24It should be the lock cylinder in the center, which means that your door lock is in the middle of the thickness of the door frame in the position of installation, and some are in the middle, a little bit biased, which depends on how the door factory opens the hole.
Take the lock cylinder screw hole as the center, extend to both sides of the screw hole, one side is long and the other is short, and the short end is generally divided into length.
Is it wiped to the door frame when the door leaf is opened?
It is the outer handle that can be locked, and the door can be locked without a key, and the inner handle can be lifted and locked, which can be lifted by pressing down.
C grade is best.
The lock cylinder of the anti-theft door is basically divided into two levels, namely grade A and grade B; Of course, there are also some companies that have produced super B-level lock cylinders according to market demand, and C-level lock cylinders are the same as super B-level. Among them, 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
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.