Heavy Duty Polishing Machines for Bright Bars, Pipes & Tubes Model : OD 50-3 Centerless Polishing Machine Heavy Duty Three Head Centerless Grinding Machine for Round Tubes, Pipes & Bright Bars. Capacity : 10 to 250 mm Dia for Tubes & upto 50 mm Dia for Bars with 7.5 HP Motor. QUICK ENQUIRY Product NameModel : OD 25Model : OD 25-2Model : OD 50Model : OD 250-2Model : OD 50-3Model : OD 50-4Model : ODF 150-2Model : ZX 150Model : ZX 300-2Model : ZX 150-4Model : ZXF 150Model : ZXF 150-2Model : ZXB 150-5Model : ZXB 200-9Model : 99Model : ODF 999-2Model : ZXA 150-2