Look up an image:
Explore by theme
bolts ![click to hear : bolts click to hear : bolts](../../../images/speaker-vert.gif)
Metal plugs ending in a head and threaded so they can be tightly screwed into nuts to secure fastenings and assemblies.
bolt ![click to hear : bolt click to hear : bolt](../../../images/speaker-vert.gif)
Metal threaded plug ending in a head; it is tightly screwed into a nut to secure fastenings and assemblies.
nut ![click to hear : nut click to hear : nut](../../../images/speaker-vert.gif)
Hollow cylinder of metal whose lining is threaded to screw onto a corresponding bolt.
head ![click to hear : head click to hear : head](../../../images/speaker-vert.gif)
Widened end of the bolt, of various shapes and sizes.
shoulder bolt ![click to hear : shoulder bolt click to hear : shoulder bolt](../../../images/speaker-vert.gif)
Bolt whose head comprises a section of smaller diameter for concentrating the tightening pressure.
threaded rod ![click to hear : threaded rod click to hear : threaded rod](../../../images/speaker-vert.gif)
Elongated part whose surface has a spiral protrusion for screwing into a corresponding nut.
shoulder ![click to hear : shoulder click to hear : shoulder](../../../images/speaker-vert.gif)
Cylindrical nonthreaded protrusion used as a bracket as the bolt is being tightened.