... 5. Please mark in detail(such as max speed, port, special bond and so on), when the function or grinding ... the order, shape, size, abrasive material, grain, grade, , and speedSpeciesCode No.colorfeaturesselectionbrown fused aluminaATanhigh rigidity, strong flexibility, low price ... the work pieces made of materials Chilled steel, High-speed steel, High-carbon steel,Chromium corundumPAPink,rose-red Sharp ...