
Usoro nke UC na-ezo aka na ahaziri ahazi, ejiri ọtụtụ ebe Ohiri isi ngọngọ nkeji bọọlụ nwere aka nkwụnye aka. N'ime isi ha bụ bọọlụ nwere oghere dị omimi nke nwere a dayameta mpụta okirikiri (SPB) emebere ka ọ dabara n'ime oghere okirikiri dabara adaba nke ụlọ nkedo. Na-akwado metric akụkụ, A na-ahazi usoro isiokwu a maka ngwa mmepụta ihe na-achọ ikike ibu dị elu, nrụnye kwụ ọtọ, na arụmọrụ a pụrụ ịdabere na ya.
| ISO | UCFA208 | |
| Nrụpụta Mba. | UC208 | |
| Ebe obibi | FA208 | |
| Obere dayameta | d | 40 mm |
| Ogologo ụlọ, obosara ma ọ bụ dayameta | a | 171 mm |
| Ebe dị anya n'ịtinye oghere | e | 142 mm |
| Ebe dị anya na-agbago elu ruo n'etiti ibu | i | 21 mm |
| Ogologo ụkwụ ụlọ / elu flange | g | 16 mm |
| Ogologo ụlọ | I | 38 mm |
| Obosara oghere oghere | s | 15 mm |
| Obosara ụlọ / dayameta | b | 105 mm |
| Ngụkọta elu site na mgbago elu | z | 51.2 mm |
| Ebe dị anya n'ịtinye oghere | f | 71 mm |
| Obosara ụlọ na oghere oghere | c | 87 mm |
| Obosara mgbanaka ime | B | 49.2 mm |
| Anya ihu akụkụ/ebe etiti | n | 19 mm |
| Nha Bolt | M12 | |
| Ibu ibu | 1.73 n'arọ | |