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Izikulufo zokuzibhoboza kanye nokucofa
Insimbi engagqwali self-drilling isikulufu impahla ngokuvamile 410 impahla, ngokuvamile eyaziwa ngokuthi insimbi engagqwali, iyinhlangano martensitic insimbi engagqwali jikelele, angenza ukwelashwa ukushisa, ubulukhuni okusezingeni eliphezulu, ngaphandle kokwelashwa surface kungaba ukudlala ethile ebusweni anti-ukugqwala umphumela, ikhono anti-ukugqwala kuyinto. engcono kune-carbon steel, okubi kakhulu kune-304 insimbi engagqwali, ingashaya nge-iron plate, iqinise ukusetshenziswa kwensimbi yensimbi.
