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Anonymous users2024-01-24Anti-theft lock cylinders are divided into: A, B, super B, C grade A is the worst, C grade is the best, and the current C-level blade lock cylinder has the best anti-theft performance.
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Anonymous users2024-01-23Cylinder grades are now generally divided into:
Class A: Single slot key cylinder Double row key cylinder Cross key cylinder Advantages: Cheap price.
Disadvantages: low safety factor, easy to open with tools.
Super B-level: double-row single-track lock cylinder.
Pros: Cheap, slightly more difficult to open.
Disadvantages: low safety factor, technology can be opened, due to the technical problems of the lock cylinder will be stuck after a long time of use; Double-sided blade lock cylinder.
Advantages: the safety factor is medium, the price is moderate, the difficulty of opening is high, it can be opened violently, and the blade structure is not easy to jam.
Disadvantages: Special tools can be turned on.
Super C-level lock cylinder: double-sided six-curved road, double-sided eight-curved road, special-shaped keyAdvantages: high safety factor, high difficulty to open, can be opened violently, blade structure is not easy to jam Disadvantages: expensive.
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Anonymous users2024-01-22Now, it's all Class A. Lock cylinder, C-grade bar.
Sydian Lock and Golden Dot Atomic Lock. Guaranteed for one year.
Different prices and models of doors, the lock cylinders used are different, it is best to send a picture, so that everyone can help you see. Just send a picture of the key.
Hello dear, happy to answer for you.
The price of ordinary anti-theft door lock cylinder is about 100-300 yuan. >>>More
A, B, C and D are available, different grades and different prices, if you require a good grade A or B, and if you require an affordable grade, you will have a grade C or D.
Now the country has not officially stipulated that there is a C-level lock cylinder, the highest is only a B-level lock cylinder, and those super B-level lock cylinders and C-level lock cylinders are the manufacturer's own gimmicks.