Door Latches, also known as Door Catches, are the mechanical fasteners that join doors to another object or surface, to be closed while also allowing them to be opened when necessary. Door Latches usually engage with other hardware pieces on the matching mounting surface. Door Latches are not the same as Door or Window locks as they can be more easily opened and vary in complexity. Door Latches are often made of stainless steel, cast iron, zinc, or even plastic. The different types of Door Latches include the deadbolt latch, spring latch, draw latch, and slam hatch.
A door latch can fail due to wear and tear, corrosion, or misalignment. It can also fail if the mechanism is damaged or broken. Additionally, the latch may not properly engage if the door or frame is warped or if the strike plate is not properly aligned.
A door latch and a door lock are not the same thing. A door latch is a mechanism that holds the door closed, while a door lock is a mechanism that prevents the door from being opened without a key or code. A door latch can be used in conjunction with a door lock for added security. A latch can be operated by thumb turn or key and lock can be operated by key or code.
A door latch typically consists of a latch bolt, a latch plate, a strike plate, and a mechanism for activating the latch, such as a knob or lever. The latch bolt is the part that extends into the door frame to hold the door closed, the latch plate is the part that surrounds the latch bolt and helps guide it into the strike plate, and the strike plate is the part that is mounted on the door frame and receives the latch bolt.