Bisakah paku keling buta kepala bulat vakum disebut paku keling buta kepala terbenam satu sisi?

Ya, setelah paku keling buta berkepala bulat dipaku, satu sisinya bulat dan sisi lainnya cekung!

https://www.yukerivet.com/news/what-should-i-do-if-there-is-a-dislocation-between-the-stainless-steel-plate-and-the-square-tube-with-countersunk-head-blind-rivets/