Architectural hardware is the metal and non-metallic components used in the construction and design of buildings, including:

Door handles
Locks
Hinges
Knobs
Catches
Window fittings
Cabinet fittings
Iron railings
Handrails

What is Architectural Hardware?
Architectural hardware can be used to enhance the functionality and aesthetics of a space. It can also serve as a unifying element that ties together various design components. For example, the hardware can match the finish of other fixtures or complete architectural motifs.