| Categoria parametri | Descriptio |
| Materia | Ferrum (acer carbonaceus), acer inox (304/316) |
| Superficies curatio | Electroplating (zincum/nichel), zincatio thermica, oxidatio nigra |
| Specificationes Standard | Ad normas ISO 10513, GB/T 6181, DIN 6927, etc. conformis |
| Specificationes filetii | M8–M48, 5⁄16″–2″ |
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