304 He kowiri tira me te rino wera-wera he nui te chromium, he mata matte, he iti pea te waikura, he nui te nickel me te pai o te waikura.Ko te kowiri tira ehara i te mea ngawari ki te waikura na te mea ka taea e te chromium-taonga te waikura i hanga i runga i te mata o te tinana maitai te tiaki i te tinana rino.Ka hiahia koe ki te rivet matapo kowiri tira, Pls whiriwhiri 304 tinana rivet me 304 mandrel rivet.