... field: SS. pipes, carbon steel pipes, hardwar etc Abrasive Flap Wheel 1.the Flap Wheel will be fixed on the polishing machine to polish ... quality and long use life.3.the thickness of the flap wheel:8mm-700mm, and the granularity: 240#---800#.4.except for ... pips, carbon steel pipes, ERW pipes, copper pipes etc. Abrasive Flap Wheel