Nuts

A hex nut is a six-sided internally threaded fastener used with a compatible bolt, screw or threaded rod.

A flange nut integrates a washer-like flange beneath the hexagonal body to enlarge its bearing surface.

A nylon insert lock nut is a prevailing-torque hex nut whose non-metallic insert interferes with the mating thread.

A wing nut has two projections that permit hand tightening and loosening without a wrench.

A cap nut is an internally threaded nut with a closed domed end that covers the mating thread.

A coupling nut is an elongated internally threaded fastener used to join two compatible male threads.