10B21 material low carbon steel wire rod use for making screws and fasteners. Manufacturing Process:Pickling and coating; Drawing; Anealing; ... Coating; Skin Pass; Inspection; Finished LotsOpional : Phospating and spherodizing .Other material avaiblable also as :SAE1006,SAE1008,SAE1010,SAE1018,10B18,10B21,10B28 ... -0.003 CHQ Steel wire rod 10B21 refined steel wire for making fasteners