The best locks for metal doors

Today, no one will surprise anyone with the front metal door indicating the desire of the owners to ensure their safety. But all efforts can be reduced if not the best or unsuitable locks for metal doors are selected and installed. It is on the locking mechanism of the castle that the safety and inviolability of our house depends. When choosing a lock for a metal door, it is necessary to understand its principle of action and understand the design of the lock itself. There are no special problems with the choice, since in the market the locks for metal doors are presented in a wide range and from various manufacturers.

1. Features of choosing a lock for a metal door
   • Hacking class
   • The secrecy of the castle
   • Types and purpose of locks for a metal door
2. Types of secret locking mechanisms
   • Cylinder locks
   • Cylinder cross -shaped castle
   • Cylinder pin lock
   • Cylinder disk castle
   • Eurocilinders of increased protection
   • Suvold castle
   • Combined locks

Features of choosing a lock for a metal door

When choosing door locks for metal doors, it is necessary to focus on the quality of materials, durability, strength and reliability of the locking mechanism, as well as convenience and simplicity in everyday use. But since the ideal does not exist, you have to choose from the presented assortment. Today, the market boasts a huge selection of locks for metal doors of both foreign and domestic manufacturers, such as Elbor, Gardian, Mottura, Cisa and others.

But you should be careful, since quite often instead of a lock for entrance metal doors you can buy a regular lock for inner doors. And this is fraught primarily by a decrease in safety and quick breakdown of the lock. In order for the castle to serve for a long time and ensure safety, when choosing it is necessary to adhere to a simple rule, the reliability of the lock is selected according to the purpose of the door, for this you need to focus on such an indicator of the lock as a class of resistance to hacking.

Hacking class

There are four class stability classes for hacking. To the first class The easiest locks used for internal doors for hacking include. The opening time of the first class locks is less than 5 minutes. To the second class The locks from 5 to 15 minutes relate to the locks. Such locks are installed both in the inner doors and in the inlets. Third class Castles have increased protective qualities, and the opening time of such locks for more than 15 minutes. To the fourth classthe most reliable locks include, the opening time of which is more than 30 minutes. Such locks are installed in doors for rooms with increased protection requirements.

It should be noted that prices for metal doors depend primarily on the class of resistance to hacking. Which, in turn, implies the use of more durable materials and mechanisms with a high level of secrecy. For example, Elbor Basalt metal locks have the 4th class of stability according to GOST 5089-2003 and cost about 25 cu At the same time, the Bruno Lock Castle, despite its visual similarity with Elbor, costs 5 cu, is positioned as a lock for entrance and interior doors and has a 2nd class of resistance to hacking. The difference between these locks lies not only in the stability class, but also in the materials used. When choosing locks, you should give preference to high -strength steels and try to avoid locks using soft and fragile metals, such as brass, silumin or various kinds of plastic.

The secrecy of the castle

If everything is relatively simple and understandable with the materials, then regarding the secrecy of the locking mechanism, one very important point should be noted. Sales consultants, wanting to impress the buyer, give the number of possible combinations of the key and the castle as evidence of the reliability of the castle. The number of such combinations can reach billionth values, which the buyer usually reacts to. And it can be a fatal mistake. The fact is that secrecy is a comprehensive concept. She includes the number of combinations, castle protection from mechanical exposure, from hacking with a master key, the wear resistance of the lock and the probability of coincidence of the keys. Three levels of secrecy are distinguished: low, medium and higher.

Low secrecy It is characterized by the number of possible combinations from 10 to 10,000. Such locks do not have protective elements from mechanical exposure, there is no protection against the master key. Key profiles and the location of the pin in the castle are quite simple. The castle materials are not wear -resistant and low -strength, as well as the accuracy of manufacturing and assembly is low. Such locks can be determined by eye, just looking at the quality of the details.

Average secrecycastles implies the number of possible combinations from 5000 to 50,000. In such locks, there may be no protection against the master and mechanical exposure in such locks, but they will definitely have a complex combination of Pinins. The castle itself is partially made of durable and wear -resistant materials, and the manufacture of medium -quality parts. In most such locks, the locking of the mechanism locking the mechanism are made qualitatively, but the case and handles are made of low -grade materials.

Higher secrecy The castle implies from 100,000 to a billion possible combinations, the presence of protection against the master line and from mechanical exposure. The key profile and the combination of Pin in such locks are very complicated. Castle materials are resistant to acid, and the accuracy of manufacturing and assembly is very high.

Types and purpose of locks for a metal door

In addition to the secrecy of the castle and its resistance to hacking, you should pay attention to the type of lock. You don’t have to choose particularly. Of all the possible types, only one deserves attention as a reliable lock for a metal door is a mortise lock. Such castles are considered the most reliable and therefore gained the most widespread. Smeal locks are installed inside the door leaf and fixed to it. The metal metal serves as a reliable protection of the lock and hides it from prying eyes. The lock is inserted from the side of the door, where the overhead bar is fixed. This type of locks is presented with all manufacturers. An example is Kale locks for metal doors. With rare exceptions, all models of this company are mortise.

As for the purpose of the locks, two groups of locks are used for metal doors: locking and fixing, drunken. The difference between these groups is the presence of pens and palevo latch for fixing-bearing locks. This does not particularly affect safety, rather, the convenience of using the door. After all, you must admit, it is more convenient to close the door lock when it is tightly pressed to the door frame and fixed with a latch than to press it with a knee and at the same time try to crank the key. An example of fixing-bearing locks can serve as locks for metal doors CISA, namely the CISA 56535 model.

Types of secret locking mechanisms

Despite the wide variety of locks and forms of keys to them, the secret mechanism of the castle itself can be only two types: cylinder and leaf. Both of these types are used in modern castles in one form or another. There are a lot of castles and each of them has varying degrees of secrecy, and each of them has its own advantages and disadvantages. To determine the best locks for metal doors, it is necessary to briefly consider each of the locks.

Cylinder locks

This type of castles appeared in the middle of the 19th century and was quite widespread due to the convenience of their operation. The main advantage of cylinder locks is the ease of repair and replacement of the lock. It is enough to replace the central secret mechanism of the cylinder larva, which transfers the key to the locking crossbars. The key is suitable for such a castle with only one specific combination. The principle of operation of such a castle is quite simple and is to build pins inside the cylinder in a certain combination. With the development of technology, in the cylinder lock, rotating blocks, washers, and moving probes began to be used instead of Pinins. If in the process of opening the door an incorrect combination of Pins is introduced, then the lock will not open. The secrecy in such locks depends on the number of kins, the accuracy of their manufacture and possible combinations of location in height, as well as protection from the master key.

Cylinder cross -shaped castle

Quite often, a cross -shaped hole of the keyhole can be seen on the entrance metal doors. Such locks have good secrecy and depending on the materials used, the quality of the assembly and the manufacturer’s company, the prices for them are quite democratic and are usually in the range of 20 cu. The secret mechanism uses pins built along the four faces of the key, which achieves a large number of combinations. But the main disadvantage of this castle is its very low resistance to mechanical effects for hacking the lock. Such a castle can be opened in less than a minute using a conventional cross -shaped screwdriver. These locks are more intended for wooden doors, so it is not recommended to put such locks on the front metal door. An example of such a cylinder cross -shaped castle is Kale 189f 4MF.

Cylinder pin lock

These locks are produced in several modifications and can be installed both on ordinary interior doors and on the inlet metal. But when planning to install this type of locks, you should be careful, since the cylinder pin lock can be made under the English or perforated key. In the first case, the castle has very low secrecy, and opening it in 2 3 minutes will not be difficult. Typically, locks with English keys are intended for internal doors. The principle of operation of such a castle lies in the selection of a combination of Pin, but unlike a cross -shaped cylinder lock, the number of combinations is very small. On demonstrating locks for metal doors, you can see the appearance of the lock cylinder and an example of the key to it.

As for the cylinder pin locks with perforated keys, depending on the presence of protective elements, they have 2, 3 and 4 class of secrecy. You can open such a castle with a master key, but very difficult and long. The only quick way of opening is the knocking out or drilling the castle larva. But, as already noted, if the secret mechanism of the castle is protected by special armored plastins and overlays, then it is very difficult to hack such a castle. The opening time of locks with protective plates is about 40 minutes and is accompanied by a strong noise. Such locks for metal doors are produced by Mottura, Apex, Elbor, Kale and others.

Cylinder disk castle

This type of cylinder castles was first created by Abloy. The main difference from the rest of the cylinder locks is mobile discs instead of pins. The key to such locks has a semicircular cross section with cuts made at a certain angle. The secrecy of such locks is very high due to the fact that instead of selecting pins in height, the discs are built at a certain angle. Another important protective quality of such locks is the impossibility of drilling a cylinder due to culpriting cylinders.

But there are a number of conditions under which hacking the door with such a lock is still possible. Firstly, when purchasing such locks, it is necessary to make sure that they are released by Abloy, and not at the domestic or foreign enterprise under the license. The locks produced under the license are only like the original and do not have a high class of resistance to hacking. Secondly, such locks and protective plates should have such locks as a lock for the front door. Otherwise, the castle larva will simply knock out. Thirdly, cylinder locks with a disk mechanism are often produced by overhead, which also does not contribute to high reliability from power hacking. An example is the locks for the metal doors of the apex, namely the APECS 9331-C-BN model. Or Abloy Protec Cliq locks, which are an excellent sample for installation in the front iron door.

Eurocilinders of increased protection

In an effort to ensure the safety of the house, manufacturers of castles use modern technologies and developments in the secret locking mechanism. The result of the work was locks with Eurocilinders of increased protection. They can be opened in 30 40 minutes, but only with significant noise. Despite the principle of work familiar to everyone, new materials used in such locks have unique properties, which provides a high level of protection.

Such locks for metal doors Kale, Cisa, Mottura, Mul-T-Lock, Vachette, ASIX, ISEO are produced. But each of them has its own unique developments for the secret mechanism. So, for example, Kale and CISA cylinders have carbide inserts in the end that protect against drilling. In CISA and Mottura castles, the first pin is made of refractory metal, which also provides protection against drilled. Other castles provide protective armor traffic or titaniums that provide protection against breakup. All moon cylinders have the highest degree of secrecy, which is provided by more than 1.5 million combinations. But, as previously noted, a castle with multimillion -dollar combinations is defenseless before ordinary broken or knocking out. Therefore, when acquiring Eurocilinders of increased protection that cost a lot of money, you should be careful and make sure that there are protective linings.

In addition to the measures described above, the Eurocilantors, a floating element or magnetic insert in the vein itself can be used in them. This approach made it possible to raise the bar of secrecy to the highest level. It is impossible to choose a key or make a cast for such a castle. But the prices for such locks will be more than 100 cu

Suvold castle

The mechanism of the castle of this type is one of the first invented by man, but, despite this, the leggings are still considered one of the most reliable. Of course, like any other castle, it can be opened, but the time spent on this can range from 30 minutes to 2 hours. It all depends on the complexity of the secret mechanism and protection from the master keys.

The principle of operation of the leaf lock is quite simple. Its secret mechanism consists of sowld plates, which, when opened, are built into a certain combination on the key. With a mismatch, it is impossible to open such a castle. The number of combinations and the secrecy of the castle depends on the number of Suvald. The more there are, the more difficult it is to open such a castle. But the number of Suvald imposes certain restrictions on the key. The thing is that the more plates, the larger the beard, which is not very convenient. To increase secrecy in such locks, traps are integrated for the cattle in the form of false grooves. Perhaps the only way to quickly open such a castle is to create a key duplicate, which is quite easy to do. They produce leggings for metal doors Barrier, Gardian, Elbor, Kale, Cisa, Mottura, Mul-T-Lock and others. This type of castles is one of the most popular, as it combines excellent secrecy and affordable price.

Combined locks

As you know, any lock can be opened, this requires only a certain time. This is understood both crackers and manufacturers of castles. The latter, trying to increase the reliability of their products, decided to combine several different mechanisms into one. The result was a combined castle, the locking mechanisms of which complement each other, and if you do not open one of them, the second will not open or the locking crossbars will not be cleared.

Combined locks for metal doors are produced by Gardian, Barrier, Elbor, Kale, Cisa, Mottura, Mul-T-Lock, Vachette, ASIX, ISEO and many other companies. Often, the castles of a particular company combine the two most successful and reliable models produced by this company. For example, the castle can be combined in a suled and cylinder mechanism for a perforated key, as implemented in the castle of Gardian 25.12 T. Of course, the combination of two different secret mechanisms affects the price, it becomes higher. But on combined locks for metal doors, the reviews are only positive, which indicates their reliability.

When choosing the best locks for metal doors, it is necessary to carefully familiarize yourself with each model you like, considering the castle from all sides and interested in its properties, the secret mechanism and materials from which it is made. The safety of property in the house depends on the lock in the metal door, and you have the right to know everything about this silent watchman.