
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 | UC204 | |
| Obere dayameta | d | 20 in |
| Dayameta dị n'èzí | D | 47 nke |
| Obosara mgbanaka dị n'ime | B | 31 na |
| Anya ihu akụkụ/ebe etiti | s | 12.7 n'arọ |
| Obosara mgbanaka mpụta | C | 17 na |
| Anya site na ikpochi ngwaọrụ chere ihu n'okporo ụzọ agbụrụ | s1 | 18.3 n'arọ |
| Tọọ ịghasa | ds | M6x1 n' |
| Anya ịtọ skru | G | 4.8 nke |
| Ebe dị anya nke OR ruo etiti nke mpaghara mmanu mmanu | F | 3.7 n'arọ |
| Ndekọ ibu dị ike | C | 7,7 kN |
| Ndekọ ibu kwụ ọtọ | C0 | 4 kN |
| Ibu ibu | 0,16 n'arọ | |