Ficewaitar fadada
Ya ƙunshi ƙamus na Counterunk, bututun faduwa, washers mai lebur, washers da hexagonal kwayoyi. Abubuwan da ke cikin kayan ƙarfe ne galibi (kamar Q235), da kauri daga Layerogalvanized Layer shine 5-12μm, wanda ya cika ISO 1461 ko GB / t 13912-2002 ka'idodi.