The Gongbing self drilling screws e sebelisa theknoloji ea Jeremane, e na le moralo o utloahalang, matla a matla a ho tsitsa 'me ho bonolo ho e sebelisa:
Lisebelisoa tse tala tse sebelisoang kaofela li tsoa ho lik'hamphani tse kholo tsa tšepe tsa malapeng 'me li ka finyella litlhoko tse thata tsa liboutu tse matla haholo: theknoloji e tsoetseng pele ka ho fetisisa lefatšeng ea phekolo ea holim'a metsi, ho thibela kutu le ho hanyetsa boemo ba leholimo ke makhetlo a 5 ho feta lihlahisoa tse tloaelehileng tsa masenke.
Moralo o tebileng oa "cross hole",
Ha ho bonolo ho thella nakong ea tšebeliso
Li-screws tse itšebetsang li sebelisa theknoloji e tsoetseng pele ea moralo, lebelo la ho otla ka potlako le matla a matla a ankora.
Haholo-holo e sebelisoang mamati, lifensetere, mokhabiso le Lihokelo pakeng tsa likarolo tse fapaneng tsa tšepe.
