uruziga rw'ibiziga, icyiciro cya 10.9-12.9, ibikoresho 40Cr.
Ibicuruzwa Amakuru
Urwego rwa Tekinike ni 12.9, gukomera ni HRC 38-42, Ibikoresho ni 40CR, kandi ubuso buvurwa hamwe na bluing, umugozi wa screw ufite ibisobanuro bibiri, kimwe ni sisitemu ya metero: M12-M24-6g, indi ni sisitemu yerekana: 1 / 2-1 / 4--2A.ibisobanuro birashobora gutegurwa.
Igishushanyo / Imiterere / Ibisobanuro birambuye
Igishushanyo cya Bolt:

Ibicuruzwa byerekana:

Dufite umubare wibihumbi bitandukanye byigice, nka:
| SM9 / 16 * 1 14/25 | |
| 9W9265 + 8H5724 | D3 |
| 3S8182 + 7H3607 | D5, D6C |
| 6V0937 + 7H3607 | D5, D6H |
| 1171617 + 7H3608 | |
| SM3 / 4 * 2 | D6H |
| 5P4130 + 7H3608 | D8L, D7H, D8N |
| SM3 / 4 * 2 7/25 | D7G |
| 3S0336 + 7H3608 | D7, D7E, 571.572E |
| 5P7665 + 7H3608 | |
| SM3 / 4 * 2 16/25 | D8N |
| 9S2727 + 7H3609 | D8K |
| 9W8328 + 7H3609 | D9H, D9N, D9L |
| 7T1248 + 7H3609 |































