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Anonymous users2024-01-23Class B is the safer level and requires skilled workers to turn on within 10 minutes. Super B-level can not be technically opened after 270 minutes of detection by the department, which belongs to the lock cylinder with high security, and at present, super B-level and C-level are the same thing.
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Anonymous users2024-01-22It must be that the more advanced the better, and there will be a C grade after the B grade, so I think it is better to be a C grade, and it is recommended that you buy the C grade.
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Anonymous users2024-01-21Super B grade is good, C grade is the worst. This represents the anti-theft factor.
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Anonymous users2024-01-20The higher the rating, the better its anti-theft performance.
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Anonymous users2024-01-19Class B is better and more anti-theft.
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Anonymous users2024-01-18The anti-theft door lock of his moon brand is divided into a level and shouldn't be, right?
The shape of the lock cylinder needs to be the same, and that's absolutely true! The German Junhui idling lock cylinder changed by my friend is not the same brand as the original lock cylinder, and it is still very good. Hope it helps.
In terms of level, grade C is better.
If it's a miscellaneous B rank or a miscellaneous C grade, you don't dare to compliment. >>>More
Hello, the current lock cylinder level on the market is divided into three levels, its security level according to the unlocking time from low to high in order to arrange for a level - B - super B level, from the key to initially distinguish which level the lock cylinder is, a level of lock cylinder key each side of only a row of tooth grooves, B level two sides of two rows of tooth grooves, super B level of tooth grooves with A level and B level has a qualitative improvement, super B level lock cylinder in addition to the bullet blade, this is a new anti-theft technology. The key tooth grooves are usually one or more serpentine grooves. >>>More
1. What is a Class B anti-theft lock?
Understand that it is not so easy for B-class locks. In other words, the more complex the cylinder, the longer it will take to unlock. Most of the home security doors on the market are Class B locks. >>>More
The big difference is very yo,. AB level anti-technical 1 minute explosion-proof force to open 15 minutes, surface super B anti-technical start to 5 minutes, explosion-proof force to start 30 minutes, one minute away from that technology is different, in this fully reflects the time of the precious, it is recommended not to use the AB level lock cylinder to replace the super B class good point.