Uyini umehluko phakathi kwe-countersunk rivet nut ne-flat rivet nut?

I-Countersunk rivet nut flange i-engeli.Izimbobo zokubala zidinga ukubhojwa ngesikhathi sokufakwa.Ihlukaniswe ngamanadi amakhulu aphikisayo kanye nenati elincane le-countersunk rivet.

I-Countersunk rivet nut

I-Flat head rivet nut

I-flange ye-rivet head nut iyindilinga.