Dayameta dị n'elu nke ịghasa countersunk buru ibu, ọ pụkwara ịdị okirikiri ma ọ bụ hexagonal, nke mere na ngwaọrụ ndị dị ka screwdriver ma ọ bụ wrench nwere ike gbanwee ịghasa.N'elu na-arị elu na-egbochikwa ihe nkedo ahụ ka ọ ghara ịkụnye miri emi site na ihe ahụ ma mee ka nrụgide nke ịghasa dị na ihe ahụ dịkwuo elu.Enwere ike iwepụ skru Countersunk ma ọ bụ tinyeghachi ya n'ọchịchọ na-emebighị arụmọrụ ha, ma nwee ike inye ike karịa ntu, ma nwee ike ijikwa ya ọzọ.Isi nke countersunk ịghasa nwere ike ịdaba kpamkpam na ihe ngwaahịa ahụ, isi ihe nkedo ahụ agaghị arụ ọrụ mgbochi.
A na-ejikarị ngwa eletriki, igwe eletrọnịkị, ngwa igwe, ngwa ụlọ, ngwaahịa dijitalụ, ọrụ nchekwa mmiri, ịchọ mma na ihe owuwu, wdg.
