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Anonymous users2024-01-23It's the most complete place I've ever seen to sell security door locks, the price is very fair, much cheaper than the same thing outside the lock, and it looks absolutely genuine! The owner also taught me how to change it very simply.
The lock needs to be lubricated and maintained frequently, otherwise it will be difficult to open, rust, or even screw the key, or the internal lock block will be stuck and cannot be opened. >>>More
Grade lock cylinder, with technical opening time within 1 minute. >>>More
There are several possibilities that the security door cannot be opened. >>>More
How to open a Class C anti-theft door lock.
2. Class C lock is a more complex type of lock cylinder on the market, and the key is also a more complex result, so the safety factor is relatively high, except for the damage. The likelihood of theft is relatively small. Therefore, the safety factor and price of C-class lock cylinder will be higher. >>>More
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