A threaded hexagonal or square-headed bolt with a nut; it is tightened with a wrench and used to connect metal parts.
A threaded bolt having a straight shank and a square or hexagonal shaped head.
A bolt typically configured with a hex head and nut and a blunt end. Meant to hold two pieces (usually the support structure) by pinning them together, the threads hold only the nut and don't screw into the wood itself.
a bolt with a square or hexagonal head on one end and a threaded shaft on the other end; tightened with a wrench; used to connect metal parts
Hexagonal headed male fastener with threads that fit in a machine threaded part or a nut for assembly purposes.