ZGM630 Circular Saw Blade Sharpener ZGM 630 Circular Saw Blade SharpenerThis machine tool is special sharpening equipment ... and so on. II. Main technical parameters1. Blade Dia: 100-630mm2. Blade Hole Dia: 20,22,25.4,30,40, ... Dialing: 257. Speed of Grinder Axle: 2800r/Min8. Milling Head Motor:0.25Kw, 2800r/Min9. Feeding Motor: 0.06KW ... Outline Size: 780*620*1280mm ZGM630 Circular Saw Blade Sharpener