Kutheni le nto intsimbi engatyiwa ngamacala aphindwe kabini i-countersunk intloko iirivethi eziyimfama ziyintsimbi engenakutyiwa?

Ngenxa yokuba yonke i-mandrel itsalwa emva kokuba i-countersunk ephindwe kabini yentloko eyimfama i-riveted i-riveted, izinto ze-mandrel aziyi kuchaphazela ukuxhathisa umhlwa kwentsimbi ephindwe kabini kwi-countersunk head blind rivet.Ngaphezu koko, intsimbi engenastainless ibiza kakhulu kunentsimbi.Ukuze kugcinwe iindleko, i-nail core yenziwe ngentsimbi.