NC Metal circular saw machine 1 Air operated,hydraulic 2 Has the circulating coolong system. 3 Burr free,no dusty. CNC Metal circular saw ... ,no dusty. Technical parameter TypeYJ-275YJ-315YJ-350YJ-455Aluminum Cutting Machine The saw cuts the abilitymmφ80φ95φ115φ130 mm75 ... ,300250,275,300,315300,315,350350,400,455 Pneumatic metal circular saw machine YJ350Q