I-nut eshushu eshushu
I-nut eshushu eshushu yafaniswa ne-hot-dip galvanized bolt, oko kukuthi, i-nut esebenza ngokutsha ixhomekeke kunyango olushushu lokudibanisa. Ngenxa yokuba i-galvanizing eshushu igutyungelwe nge-zinc, ukuphinda uyisebenzise kubalulekile. I-galvanizing eshushu ibonakaliswa ngumhlaba ongagudlukiyo kodwa ukuxhathisa okunamandla komhlwa. Ngokuqhelekileyo isetyenziselwa ngaphandle kwaye ine-4.8, 8.8, 10.9 kunye ne-12.9 yamandla aphezulu.
Bhala umyalezo wakho apha uze uyithumele kuthi