... , bore: 25.4-50mm, Tickness:1-5mm, Original colour, Tin(Titanium)-coated or Azoted, TiA Out diameter Φ200-600mm, bore: Φ25.4 ... -50mm, Tickness:1-5mmSurface coating: Original colour, Tin(Titanium)-coated or Azoted, TiAL.Type: Teeth or Teethless.Teeth Types: acuate ...