Steel Bar 1.diameter:5.0mm-12.0mm 2.grade:HRB335,HRB400 3.length:6.0mm or 12.0m 4.ISO9001 manufacturer Spiral ribbed steel bar is a kind of cold rolled steel bar ranging commonly from 5mm to 12mm. COLD ROLLED RIBBED BAR/WIRE:(1) Diameter: 5.0mm; 5.5mm; 6.0mm; 8.0mm, 10mm; 12mm;(2) Rid: three side half monn size, or customized.(3) Packing : Coil:1.0-2.0tons/coil; or Length: 2.0---12m/bundle;(4) Packing: Coil and bundles with six steel strip tie.(5)Application: For welded mesh ,For construction.