... ),steel(45#,55#,20Cr,etc). Metal bond products series The features of the metal bond products are high efficiency, good ... tungsten , carbide ,ceramics, glass, composite ,sapphire, ferrite, refractory ,thermal spraying material and so on . Metal bond CBN products: Mainly ... Mainly used for machining nonmetals with high rigidity like ceramics ,glass ,tungsten carbide ,ferrite and so on . Electroplated CBN ...