? diamond segment grinding disc ? Application: ? ?diamond grinding wheel,diamond cup wheel,diamond abrasive grinding?wheel: 1.for ginding concrete,granite,marble, terrazzo?and so on. 2.diamond segments 3.size:105mm,inner bore:20mm 4.grit:30/40 ? diamond cup wheel 1.grit:30/40 2.inner bore:20 3.9 diamond segments About Products:? ? ? ? ????? Zhengzhou Sinoblade Industrail?Co,Ltd.(Zhengzhou Sinoblade Imp. & Exp. Co., Ltd.)mainly product diamond tools(diamond saw blade,diamond drill bits,diamond segment,diamond grinding wheel/block). Polishing pads ? Our factory: ? ? ?