... blade dia during in 50mm to 400mm 3 quick speed CNC Made tooth saw blade grinding machine1, The ... of the cutting teeth, tooth and tooth depth, high precision, sharp and durable.3 according to the different ... the saw blade repair mode, you can quickly adjust.4, the nose can be adjusted up or down, ... wheel electrical machinery3/4HP NC MSG-450 High-speed hacksaw piece saw blade grinding machine