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    Home » Company News » Product Documents » Latches » What is the difference between a latch and a bolt?

    What is the difference between a latch and a bolt?

    Author: Site Editor     Publish Time: 26-03-2021      Origin: Site


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    The front door of an ordinary house usually has two locks: a latch (a spring latch in the locking mechanism of the door handle) and a bolt (usually located above or below the door handle). Each of these locks is a means of securing the door and preventing intruders, but what is the real difference between them? Which one is better? The following is a more detailed description of how latches and bolts differ and the advantages and disadvantages of each device.


    Here is the content list:

    Product introduction about latches.

    What is the design principle of the latch?

    Which is better, latch or deadlock?


    Product introduction about latches.

    Locking mechanisms based on latches are extremely common, and spring latches are the most commonly used device type among typical locks. Spring latches are generally classified into one of two categories: latch function, which closes a spring-loaded bolt at an angle at the top edge.


    When the door is closed, the angled side of the bolt will engage the edge or edge of the locking plate (ie, the hollow plate is fixed to the adjacent door frame), and the bolt itself will retract due to pressure. Contact with the touch panel. Once the bolt passes a certain point, due to the pressure released by the spring, the bolt will be fully extended and quickly locked on the lock plate, thereby fixing the door and keeping it closed. The latch is designed to retract and disengage when someone turns the door handle to open the door.


    What is the design principle of the latch?

    This device is a slight explanation of the basic latch design. The latch has so-called "guard bolts", which are smaller cylindrical bolts located next to the latch. The guard bolt is designed to move upward in unison with the latch bolt until the latch bolt extends into the position of the locking plate. At that time, the protective bolt is kept in the pressed position against the strike plate, thereby preventing the common theft behavior of "latching" or "messing up" the latch bolt. The placement of the protective bolts will not allow the use of credit cards or other thin flat tools to depress the bolts.


    What are the characteristics of the bolt

    The fixing bolt is thicker and heavier than the spring latch, and the ends are not rounded or angled. They are usually composed of steel, bronze or brass and extend deeper into the door frame (usually about an inch) than snap locks.


    You can use a key or knob, or an automatic motor (for example, a keyless device (for example, Lockey M210)) to engage the bolt. Similar to a latch, when the tumbler is rotated to the correct position and the pins are aligned, the bolt will engage (or release). One of the main differences between bolts and latches is that latch-based locks have door handles or door handles, while bolts do not.


    Which is better, latch or deadlock?

    Each lock type has certain advantages. For example, latch bolts will automatically lock, while most fixing bolts require manual locking. On the other hand, compared to latch bolts, latch bolts are considered stronger and more difficult to pick. One of the main disadvantages of latch-based locks is their potential location-based accessibility.


    For example, if there is a window nearby, the burglar can break the window and enter the room, then turn the door handle to enter the house. Lock tongues can be a disadvantage because they require manual engagement, and if you rush out, you can easily be overlooked accidentally. Many homeowners use a combination of latches and latch-based locks to optimize the security of their residences. we also have Gate Latch, Spring Latch, contact us now!

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