nuts![click to hear](/images/speaker.jpg)
Metal parts with holes whose surfaces are threaded for screwing onto the corresponding bolts.
wing nut ![click to hear](/images/speaker.jpg)
Nut comprised of two protruding ends for tightening or loosening by hand.
acorn nut ![click to hear](/images/speaker.jpg)
Nut capped with a hollow dome that covers and protects the threaded end of the bolt.
hexagon nut ![click to hear](/images/speaker.jpg)
Most common nut; it has six sides for tightening with a wrench.