Only use the abrasive wheel approved for the type of material to be cut. There are different abrasive wheels, each specially marked. For example: TS 400 English / USA 1. Stone Also can be used for concrete, masonry, reinforced concrete and brick cutting. 2. Steel Can be used for all ferrous metal cutting. 3. Asphalt Also can be used for aggregate concrete cutting. 4. Ductile iron Also can be used for certain grades of cast iron (SG 17-24), bronze and copper cutting. For cutting composite materia