threaded rod 1.standard:DIN,ANSI,BAW,GB 2.material:carbon steel, ... of threaded rods.Material: low carbon steel, mild carbon steelStandards: ISO, DIN 975, ANSI, JIS, GB, BS, etcGrade: 4.8, 5.8, 6.8, 8.8 ... , blue-white zinc plated, yellow zinc plated, hot dipped galvanization, black steel threaded rod