Grinding Disc

Diamond depressed center grinding wheel 1.have the best cost performance 2.high quality,and safty diamond depressed center grinding wheel 1.have the best cost performance 2.high quality,and safty 3.the grade 1 a wa 4.for metal and non ferrous metals, non ferrous alloy concrete, natural, glass, marble, stone. Grinding of grey cast iron , cleaning of switchboards, chamfer of edges. 5.very sharping grinding wheel.