... AS; As per customers' drawing3.Material: mild steel; carbon steel; spring steel; stainless steel; 4.Surface treatment: plain; black; zinc- ... flat head screw,drop in anchor,wedge anchor,bolt anchor,sleeve anchor, hit anchor, quick anchor,nylon hammer fixing,tie wire anchor,cut anchor,hollow wall anchor ... zinc plating.or according to requestMaterial:Stainless steel/Iron,SK7Standard:DIN,BS,GB,JIS,ANSI/ ...