... steel concrete nailsCommon nails also called common wire nails, common iron nails, common round nails, it is mostly used in building,construction,Decoration,and so ... point, bright and clean surface, strong rust-proof.Usage:Industrial construction, foundry, furniture repair, packing boxes and so on.Surface treatment ... .5928.9334.57177.846.0540.3224.8 hardened steel concrete nails