Countersunk head rivet nuts (eo hape e tsejoang e le flat head rivet nuts) ke li-fasteners tse kentsoeng ka hare tse etselitsoeng ka ho khetheha bakeng sa lakane ea tšepe. Ho kenya ho potlakile ebile ho bonolo, ho hloka feela sethunya sa rivet. Ts'ebetso e khutsitse ebile e sebetsa hantle haholo. Beha nate ea rivet feela molomong oa sethunya sa rivet, kenya pheletso ea nate ea rivet ka lesoba la tšepe, 'me u tiise sethunya ho phethela riveting.
Ho na le mefuta e mengata ea linate tse sephara tsa rivet, ho kenyeletsoa linate tsa rivet tse sebelisoang hangata, hlooho e bataletseng ea hexagonal rivet nuts, le linate tsa rivet tse nang le lihlooho tse bataletseng. Likhetho tse ling li kenyelletsa linate tsa countersunk head striped rivet nuts, countersunk hexagonal rivet nuts, countersunk head rivet nuts, le countersunk imperial rivet nuts.
Li-rivet nuts li arotsoe ho ea ka hare le kantle ho hexagonal rivet nuts, semi-hexagonal rivet nuts, countersunk head rivet nuts, small countersunk head rivet nuts, flat head rivet nuts, blind hole rivet nut, le lift{1}}li-rivet nut tse khethehileng. Li entsoe ka tšepe ea carbon le tšepe e sa hloekang.
Mofuta ona oa linate tsa rivet o loketse li-substrates tsa aluminium alloy tsa botenya bo fapaneng le lipoleiti tsa tšepe tse nang le botenya ho tloha ho 1 ho isa ho 2.5 mm. Tšebeliso ea li-rivet nuts likarolong tsa alloy ea aluminium e bohlokoa haholo, e nolofatsa mokhoa o tenang oa{3}}lipoleiti tsa tšepe tse kentsoeng pele le ho ntlafatsa ts'ebetso haholo.