Can the old security door lock be replaced with a new one

There are the following factors that decide:

The mounting holes of the new security door lock must be the same as the installation holes of the old security door lock to be interchangeable. It is necessary to look at the holes that have been opened in the door, and some holes may not be completely matched. Standard holes are easier to replace. >>>More

Most of them can, the most important thing is to see what style your lock is, now the most popular world lock on the market is based on the key hole of Zhejiang Hongli brand, if your door lock is such a hole, there are a lot of fingerprint locks on the market, password locks are imitation of this hole to do. So when you change the lock, you don't have to change the door, you don't have to change the keyhole... It's very convenient

It can be exchanged!

If you want to find a good anti-theft lock cylinder, it is recommended that you take a look at CEI's invincible colorful lock cylinder, CEI's colorful lock cylinder has passed the super B level test and the European Union's CE certification! The anti-drilling time is more than 30 minutes, and the anti-technical opening time is more than 270 minutes. CEI multi-color lock adopts the combination of "tenon lock beads + double beads + finger beads embedded with serpentine grooves", triple composite locking mechanism, and builds three anti-theft passes, which form a three-dimensional barrier, which has become the nemesis of technical unlocking. >>>More

Of course, you can, but before purchasing, you need to understand the unlocking direction of your door and the size of the deflector, etc., and communicate with the merchant. If you buy it online, you should choose whether there is a free door-to-door installation service, because the smart door lock is different from the traditional mechanical door lock that can be used when installed, and it needs to be debugged by the system, networked, and fingerprints and passwords entered. >>>More

It's a matter of the lock cylinder. It may be that there is a problem with the key you match, the door lock is normal and the key is inserted and unplugged smoothly, and the key is equipped with a problem After inserting the key, the marble is destroyed, resulting in the inability to pull out, and the key is forcibly pulled out to destroy the lock cylinder structure, and the lock cylinder is wasted and the lock cylinder is replaced.