Category
page 1Household hardware
wire
thumb|Overhead power cabling. The conductor consists of seven strands of steel (centre, high tensile strength), surrounded by four outer layers of aluminium (high conductivity). Sample diameter 40 mm

hinge
thumb|upright|An ornate brass door hinge
thumb|upright|A barrel hinge
washer
thin plate with a hole, normally used to distribute the load of a threaded fastener
machine element
elementary component of a machine
key
mechanical machine element
coupling
thumb|An improvised flexible coupling made of car tyre pieces connects the drive shafts of an engine and a water pump. This one is used to cancel out Run-out|misalignment and dampen vibrations.
frame|Rotating coupling
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. In a more general context, a coupling can also be a mechanical device that serves to connect the ends of adjacent parts or

turnbuckle
300px|thumb|right|Small turnbuckle,
hardware store
store that sells household hardware for home improvement
reduction drive
mechanical device to shift rotational speed
structural element
engineering term; structural part of a complex structure
bucket
bulk material handling component
threaded insert
fastener element that is inserted into an object to add a threaded hole
builders hardware
metal hardware specifically used for protection, decoration, and convenience in buildings

trunnion
thumb|right|320px|The trunnions are the protrusions from the side of the barrel that rest on the carriage.
Belleville washer
type of spring

ferrule
thumb|A wire rope terminated with a ferrule (left) and a thimble (right)
thumb|upright|Zuffolo | Picco pipe with nickel silver ferrule
thumb|right|upright=1.5|Non-circular ferrules holding bristles of a brush to its handle
mechanical joint
section of a machine which is used to connect one mechanical part to another
grease fitting
metal fitting used in mechanical systems to feed lubricants
Rubber bushing
bushing
shim
thin and often tapered spacer used to fill small gaps or spaces between objects
bearing ball
highly spherical and smooth ball used as a component of a ball bearing or other mechanical device
household hardware
equipment used for home repair and other work in the home
shear pin
mechanical component