CNC Metal circular saw machine 1) easy maintenance ... kinds of pipe CNC Metal circular saw machine1 Air operated,the hydrauic pressure ... saw blade life and the section quality.4 Burr free,no dusty. Technical parameter TypeYJ-275YJ-315YJ-350YJ-455Aluminum Cutting Machine The saw ... saw blade is suitable the size250,275,300250,275,300,315300,315,350350,400,455 Hydraulic automatic Metal circular saw machine ...