... .8mm-250mmGradeG10-G2000HardnessHrc 40--66Featuresa).Even hardness b).Unbreakable c).grinding resistant d).High impact value e).High combined efficiency of ... , grinding materials, micro mists, polishing, decoration, toys, military industry, meters, automobiles, motorcycles, bicycles, household appliances, chemical machinery, light textile machinery, food machinery and mining machinery ...