| Categoria parametri | Descriptio |
| Materia | Ferrum, ferrum inox, æs, etc. |
| Superficies curatio | Electroplating (zincum, niccolum), zincatio per fusionem, passivatio, etc. |
| Specificationes Standard | Conformis normis ISO 4032, GB/T 6170, ANSI B18.2.2, etc. |
| Specificationes filetii | M2–M64, ¼″–4″ |
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