dischi_abrasivi_fibra_zirconio_additivatoDue to the aggressiveness of the zirconia grain, these discs are suited for heavy-duty use. We recommend using them with high power grinding tools. In the zirconia with grinding aids version, zirconia high cut rate combines with cold cut given by the grinding aids: these discs are suited on welding seams and burrs removal. We recommend using them with high power grinding tools.