
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 | UC306-19 | |
| Obere dayameta | d | 1-3/16 nke |
| Dayameta dị n'èzí | D | 2.8346 n'arọ |
| Obosara mgbanaka dị n'ime | B | 1.6929 n'arọ |
| Anya ihu akụkụ/ebe etiti | s | 0.669 n'arọ |
| Obosara mgbanaka mpụta | C | 0.9055 n'arọ |
| Anya site na ikpochi ngwaọrụ chere ihu n'okporo ụzọ agbụrụ | s1 | 1.024 n'arọ |
| Tọọ ịghasa | ds | 1/4-28UNF |
| Anya ịtọ skru | G | 0.236 n'arọ |
| Ebe dị anya nke OR ruo etiti nke mpaghara mmanu mmanu | F | 6,2 mm |
| Ndekọ ibu dị ike | C | 20 kN |
| Ndekọ ibu kwụ ọtọ | C0 | 11.5 kN |
| Ibu ibu | 0,694 n'arọ | |