... CNC Metal circular tube cutting machine. 1 Air operated,hydraulic. 2 Has the circulating coolong system 3 Burr free,no dusty. full-automatic metal tube cutting ... machine1 Air operated,the hydrauic pressure has the automatic feed,the chucking automatic installment,the movement is ... 300,315300,315,350350,400,455 YJ-350Y full-automatic metal tube cutting machine