rivet; tack; thumbtack; drawing pin; hobnail
Refers to various small metal fasteners: rivets for permanent joining, tacks/thumbtacks for temporary fastening, and hobnails for shoe soles. Context determines the specific type.
This metal plate is fastened with rivets.
I pinned the poster to the bulletin board with a thumbtack.
Compound of 鋲 (byō, 'tack, rivet') and 釘 (kugi, 'nail'). The reading びょうくぎ is a straightforward combination of the two kanji readings.