Mumakore achangopfuura, self drilling screws ave kuwedzera mukurumbira mukuvaka kwepasirese uye mapurojekiti esimbi. Kugona kwavo kudhiraivha nekusimbisa mukushanda kumwe chete kunonatsiridza zvakanyanya kuisirwa uye kunoderedza mutengo wevashandi.
Muzvivakwa zvakakura-zvakakura uye zvivakwa zvemaindasitiri, makondirakiti anofarira masiruuru ekuzviboorera ane mapoinzi ekuboorera akatsiga uye kusaita ngura. Aya maficha anovimbisa kushanda-kwenguva yakareba munzvimbo dzakaoma senzvimbo dzemahombekombe nenzvimbo dzemaindasitiri.
Vagadziri vari kuzadzisa zvinodiwa nemusika kuburikidza nekunatsa dhiri tail geometry, kunatsiridza mabatirwo ekupisa, uye kusimudzira michina yekuisa seRuspert neZinc{0}}aruminiyamu coatings. Aya magadzirirwo anowedzera kukurumidza kuchera, huwandu hwekuremedza, uye kusagadzikana kwekuora.
Sezvo kuvakwa kwepasirese kuri kuramba kuchikura, self drilling screws inotarisirwa kuita basa rakakosha mumasisitimu emazuva ano ekusimbisa. Iko kudiwa kwemasaizi akagadziridzwa uye{1}}mafambiro epamusoro angangowedzera, kunyanya mumisika ichiri kusimukira.
