Can the A level arc lock be replaced with a C level lock cylinder before the iron plate insulation a

There are three types of locks in the security door market: Class A anti-theft lock (abbreviation: Class A lock) and Class B anti-theft lock (abbreviation: Class B lock). >>>More

It depends on the specific size of your lock cylinder, because some lock cylinders are not the same length inside and outside, and they must not be replaced. >>>More

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.

Round lock, pro, if I guess well, this should be an old-fashioned anti-theft door, normal use of external anti-theft door locks, changing the lock cylinder is very simple, screwdriver dismantling (on the inside of the lock body with screws on the line), it may also be a security lock, now a lot, the same with a screwdriver, the outside of the don't open, the screw on the line. Very, very simple.

The more advanced anti-theft door brands are: Wang Li anti-theft door, Frandi anti-theft door, Xingyueshen anti-theft door, Zhen'an anti-theft door, Panpan anti-theft door, Longjia anti-theft door, Buyang anti-theft door and so on. There are three types of lock cylinders that can be replaced: A, B, and C (super B grade), and C grade is the best.