Mune zvese zvekuvaka uye zvemaindasitiri zvekushandisa, countersunk screws inowana kushandiswa kwakakura nekuda kwekugona kwavo kupinda mukati uye kuchengetedza kutaridzika kwakanaka. Zvimiro zvakasiyana-siyana zvemasikiru e-countersunk, akadai semaruva-akaumbwa, akaumbwa-akaumbwa, akatsvetwa, uye ane hexagonal, anobvumira ...
Verenga zvimwe