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Anonymous users2024-01-24It 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.
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Anonymous users2024-01-23Double fast is: the meaning of fast lock and quick opening.
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.
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.
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
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
OK. The anti-theft door lock of Active-Active can be changed to double-fast, but it must be removed and installed as a double-fast. You can find a professional repair and installation master to replace, the B-level lock has a double-row bullet slot, and the difference with the A-level lock is that the key surface has a row of curved and irregular lines, this kind of lock can be replaced. >>>More