Izipikili zophahla ezinekhanda lesambulela zenzelwe ukufakwa kwezinto zokuphahla.Lezi zinzipho, ezinamashanki abushelelezi noma ama-twist kanye nekhanda lesambulela, ziwuhlobo olusetshenziswa kakhulu lwezinzipho ezinezindleko eziphansi kanye nempahla enhle.Ikhanda lesambulela lenzelwe ukuvimbela amashidi okuphahla ukuthi angadabuki ekhanda lezipikili, kanye nokunikeza umphumela wobuciko nokuhlobisa.Ama-twist shanks namaphoyinti acijile angakwazi ukubamba ukhuni namathayili okufulela endaweni ngaphandle kokushelela.I-Q195, Q235 carbon steel, 304/316 insimbi engagqwali, ithusi noma i-aluminium ingasetshenziswa njengezinto ezibonakalayo ukuze kuqinisekiswe ukumelana kwezinzipho esimweni sezulu esibi kanye nokugqwala.Amawasha erabha noma epulasitiki ayatholakala ukuvimbela ukuvuza kwamanzi.