Translation of "Pernos" in English

La trampilla interior se fijó en su lugar con 6 pernos grandes, que debían desenroscarse manualmente

The inner hatch was fixed in place with 6 large bolts, which had to be manually unscrewed

Incluso si los pernos se hubieran podido quitar a tiempo, la escotilla se abrió hacia adentro, por

Even if the bolts could have been removed in time, the hatch opened inwards, and so