Yintoni umahluko phakathi kwee-rivet nuts ezincinci ze-countersunk head kunye nee-rivet nuts ezinkulu ze-countersunk head？

Intloko encinci efakwe kwi-countersunk ifanelekile kwizinto eziqinileyo neziqinileyo.

Intloko enkulu efakwe kwi-countersunk ifanelekile kwizinto ezibhityileyo nezithambileyo.