A Tri-Claw Thread Countersunk Head Pozi Chipboard skru bụ ụdị nke skru emebere maka chipboard ma ọ bụ ngwa ngwa. A na-eji eriri eriri tri-claw pụrụ iche mara ya, nke na-enye ezigbo njide na ijide ike n'ụdị ihe ndị a. Isi countersunk na-enye ohere ịghasa ahụ ka ọ nọdụ ala n'elu ya mgbe a kpọbatara ya nke ọma, na-eme ka ọ dị mma ma mechaa. Sistemụ draịva Pozi bụ ụdị isi ịghasa nwere ọdịdị cruciform ma emebere ya iji gbochie ịpụ n'oge echichi. N'ozuzu, Tri-Claw Thread Countersunk Head Pozi Chipboard screw bụ ihe mgbakwunye nwere ike ịdabere na ya maka ọrụ osisi dị iche iche.