toggle bolt

短语

系墙螺栓

词形变化

toggle bolts 复数 toggle bolts

释义与例句

n.
  1. 1.

    A fastening device consisting of a bolt and a pair of hinged, usually sprung, wings threaded at the hinge to receive the bolt, used by inserting the bolt with wings folded into a small hole in a sheet material to the point where the wings unfold and the bolt can be tightened.

词汇关系

名词

上位词 4

fixing fastener fastening holdfast

词源

From the resemblance of the hinged wings to a toggle.

来源：wiktionary