... cutting machine automatic oil hydraulic 1.feed,cutting,back in circular 2.metal max dia110mm 3.use HSS,high efficiency pipe cutting machineZT-315AV automatic ... ]1.Material feeding, clamping, cutting are automatic and recycled.2.Oil hydraulic automatic type3.Touch screen, easy operation4 ... *50,ø60,115*115,110*110,110*50Blade drive motor:4HP/3HP (2/4 change pole) ... or others. ZT-315AV pipe cutting machine