... 4.0 to 9mm, Helical(screw),Plain,indented... ASTM,BS,JIS,GB High and stable quality,competitive price,short delivery. 1)Name: pc ... steel wire2)Dia: 4.00mm, 4.80mm, 5.00mm, 6.00mm, ... Type of Surface: Helix(screw), Plain, indented .4)Standard: GB/T 5223-2002, ASTM A416, BS5896 ... and small sizes of various shapes of PC structures, such as civil engineering construction of ...