Incazelo emfushane:

I-hot-dip lashukumisa i-nut ifaniswe ne-hot-dip galvanized bolt, okungukuthi, i-nut esebenza kabusha iqondiswa ukwelashwa okushisayo okushisayo. Ngoba i-galvanizing eshisayo ifakwe i-zinc, ukuqamba kabusha kuyadingeka. I-galvanizing eshisayo ibonakala ngendawo engagudluki kepha ukumelana nokugqwala okuqinile. Imvamisa isetshenziswa ngaphandle futhi inamabanga aphezulu we-4.8, 8.8, 10.9 no-12.9.