YK523 HOLE CUTTING MACHINE is one of stone processing machine . it mainly for cutting ellipse or round hole of slab, improve efficiency and quality of processing, especially for mess producing. Its motor head can circle moving 360ípunder the model guide, speed by VFC, auto lifting, cutting depth adjust available, auto return back after cutting work finish. Motor head has slider, can adjust smaller or bigger size by the same model. It is very easy to operate . L1230mm* W1200mm*H1830mm.