
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 | UCF207-20 | |
| Nrụpụta Mba. | UC207-20 | |
| Ebe obibi | F207 | |
| Obere dayameta | d | 1-1/4 nke anụ ọhịa |
| Obosara ụlọ / dayameta | a | 4-39/64 nke |
| Ebe dị anya n'ịtinye oghere | e | 3-5/8 n'arọ |
| Ebe ịrị elu elu ka ibu center | i | 3/4 nke anụ ọhịa |
| Ogologo ụkwụ ụlọ / elu flange | g | 5/8 nke |
| Ogologo ụlọ | l | 1-11/32 nke anụ ọhịa |
| Ntụnye oghere oghere | s | 35/64 nke |
| Ngụkọta elu site na mgbago elu | z | 1-3/4 nke anụ ọhịa |
| Obosara mgbanaka ime | B | 1.689 nke |
| Anya ihu akụkụ/ebe etiti | n | 0.689 n'arọ |
| Nha Bolt | 7/16 | |
| Ibu ibu | 1.4 n'arọ | |