1.DC Grinding Wheel for mild steel 2.durable, flexible,easy, quick,economic 3.used in grinder ... Center Grinding WheelsGrinding ToolUsage: Polishing disc for metal, stone, stainless steel, marble, parcelain and granite etc.Get in touch with us ... is used in the cleaning weld of each aspect of automobile, boat, machine production and metallurgical, chemical construction extensively, weld, polish cast ...