A pair of objects with matching screw threads. When either the bolt or the nut is turned, it moves with great force. Often used as fixing devices. The nut is the circular piece that looks like a ring with threads on the inside hole. The bolt is the shaft with threads. Also see Pivot bolt .
BOLT AND NUT
Meaning of BOLT AND NUT in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012