Yintoni umahluko phakathi kwamantongomane amancinci e-countersunk head rivet nuts kunye ne-countersunk head rivet nuts ezinkulu?

Intloko encinci ye-countersunk ifanelekile kwizinto ezinzima kunye ezinzima.

Intloko enkulu ye-countersunk ifanelekile kwizinto ezincinci kunye nezithambileyo.