PC steel bar in coil with screw type thread on surface 1.Standard:according to JIS ... 1mm,9.0mm,10.7mm Product namePC steel bar in coil with screw type thread on surface Standardaccording to JIS G3137-1994 ... and stress tubular pile, pole,elevated bridge pier.ectPacking- In container.- All P.C. steel wire must be packed ... and the balance against L/C PC steel bar in coil with screw type thread on surface