Round Tube Polishing Machine: This product is suitable for polishing the surface of stainless steel tube, it is consisted of host polishing machine, feeding device and discharge device. The machine is convenient, durable. Professional polishing stainless steel tube, surface finish up to 400 # -600 #. Model Deployment Electromotor Host Electromotor Range of Polishing Polishing Speed Surface Smoothness 6 Head 3KW 1.1KW 5-32 12-30m/min 400-600 8 Head 4KW 1.5KW 8-63 12-30m/min 400-600 10 Head 4KW 2.2KW 8-63 12-36m/min 400-600 10 Head 5.5KW 3KW 38-114 12-30m/min 400-600