![]() ![]() (Also known as just "strike") It's also available as electric strike which allows you to open the door even though the mechanical lock is locked. If the strike is for a latch bolt, it typically also includes a small ramped area to help the bolt move inward while the door is being closed. Strike plate – A plate with a hole in the middle made to receive a bolt.Deadbolts are generally used for security purposes on external doors in case somebody tries to kick the door in or use a tool such as a crowbar or a hammer and screwdriver etc. They are typically manipulated with a lock on the outside and either a lock or a latch on the inside. Deadbolt – Deadbolts usually extend deeper into the frame and are not automatically retractable the way latch bolts are.By the use of a latch bolt, a door can be closed without having to operate the handle. Latch bolt – A bolt that has an angled surface which acts as a ramp to push the bolt in while the door is being closed.Bolt – A (nearly always) metal shaft usually internal to the door, attached by cleats or a specific form of bracket, that slides into the jamb to fasten a door.Latch – A device that allows one to fasten a door, but doesn't necessarily require an external handle.Most doors make use of one or more fasteners to hold the door closed. ![]() Some doors, particularly older ones, will have a keyhole accompanying the lock. A lock is a device that prevents access by those without a key or combination, generally by preventing one or more latches from being operated. ![]()
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