BOLT

Description

1. A bar made of wood or metal that slides into a socket and is used to fasten doors and gates.2. A metal bar or rod in the mechanism of a lock that is thrown or withdrawn by turning the key.3. A fastener consisting of a threaded pin or rod with a head at one end, designed to be inserted through holes in assembled parts and secured by a mated nut that is tightened by applying torque.