A number of different items may be meant by the term door hardware. These are essentially the mechanisms of a door - the accouterments that adorn a door in a functional sense, above and beyond its basic form (i.e. a rectangular piece of wood, metal, or other material in a frame). Let's take a look at some of these common pieces of door hardware:

Basic Hardware

Locks and Latches

Door locks come in a huge variety and this variety gets even greater if you look at how they have evolved through time. The basic principle of most locks is a bolt of some sort. This bolt need only be some sort of bar, cylinder, lug, or other contrivance that extends from the swinging part of the door into some kind of receiving area on the frame. This simply stops the door from swinging open.

This basic idea leads to locks of all types - ordinary keyed locks, hand operated dead bolt locks, simple latched locks, and so on. These all employ this same sort of locking mechanism. Even the ordinary latch that is turned by the door handle and fits into the latch plate is a kind of bolt, and on many ordinary keyed locks the handle is prevented to from turning when the door is locked so that this latch or bolt stays where it is, holding the door shut.

Handles/Knobs

Handles are directly related to locks as noted above. Turning the handle generally makes the latch come out of the latch plate, allowing the door to open. Handles are often of the common circular shape or have some other form such as straight, bar-like handles and so on.

Hinges

Hinges are also an essential piece of Furniture Hardware Suppliers .They, of course, allow the door to swing. They are mounted on one side of the door and on to the frame. Generally made of steel, brass, or some alloy, they need to be strong to support the weight of the door and to keep it swinging accurately and smoothly.

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