... ,ASTM,BS,JIS 4.Used for:communication cables , overhead ground wire 1.Diameter:4.71mm~15mm2.Structure:1*7,1*193 ... for:communication cables , overhead ground wire High tensile strength, tru-laid, well-aligned, vertically hot dip galvanized surface coating, fastened with ferrous metal ... , bolting and fixing articles and communication cables and overhead ground wire . Galvanized Steel Strand