Set screw nau'in mara kai, zaren lilin da ake amfani da shi don kiyaye abu a ciki ko a gaban wani abu.A cikin hardware masana'antu, sun zo a cikin daban-daban kayan kamar carbon karfe, bakin karfe, tagulla, da kuma gami karfe don kula da daban-daban aikace-aikace bukatar ...
Kara karantawa