resin diamond cutting blade for glass 1.material:diamond 2.cutting balde for glass 3.IS09001 certification High-precision ultra-thin super ... and various kinds of magnetic materials4.other materials:crystal,glass,quartz,carbide blade(tungsten steel),printed circuit board, ... for a variety of high-hardness ferrous metal grooving and cutting process,including tool steel,die steel,bearing steel,refractory ...