threaded rod 1.standard:DIN,ANSI,BAW,GB 2.material:carbon steel,stainless steel 3.size:M3-M4,1M-4M 4. ... surface:zinc,plate We can offer all kinds of threaded ... rods.Material: low carbon steel, mild carbon steelStandards: ISO, DIN 975, ... , yellow zinc plated, hot dipped galvanization, black steel threaded rod