Osisi ịghasa
| Atụmatụ | Nkọwa |
| Ụdị isi | Isi hex/Countersunk isi/Dowel |
| Mechaa | ZInc plated |
| Ụdị eriri | eri zuru oke, eri 2/3 |
| Ebe agịga | Ngwunye ozugbo na osisi |
Dee ozi gị ebe a ziga anyị ya
Onye na-emepụta ihe nkedo (arịlịka / bolts / skru ...) na nhazi ihe
