diamond grinding disc with flange hole 1.Diameter:100-350mm 2.Hole:22.23mm, 32mm,70mm 3.Thickness:1.8mm 4.Diamond grit:40# 80#,as ... request5.suitable for cutting and grinding various hard materials, such as ... , granite, glass, ceramic, concrete and brick6.smooth cutting surface, fast grinding speed, high efficiency.7.If you have special requirements. we ...