Uthini umahluko phakathi kwee-countersunk head blind rivets kunye ne-round head blind rivets?

Iirivethi ezingaboniyo zentloko ejikelezileyo aziyidingi i-chamfering, ziya kuphuma kumphezulu emva kokukhwela, ngelixa ii-rivets ezingaboniyo zentloko edibeneyo kufuneka zihlanjululwe ngu-120 °, kwaye ziya kuba kwinqwelomoya enye kunye nepleyiti emva kokukhwela.