tube end squaring machine: Pipe OD:0.25"-4.5" two years ... squaring machine is specially designed to flatten and bevel tube end, making it burr-free, and perfect straight to the axis ... steels, , chrome, copper-nickel alloy, aluminum Wide range of collets (clamp)/ OD Mounting Saddles available, to avoid any tube distortion Three ... system Supply full range of bevel and squaring Bit pipe end facing machine