... point of solder is lower than the parent metal, melting solder and wetting parent metal, and densely filling the soldering seam, solder ... wall brick and floor tile, sanitary ware, ceramic handle, silicate products and silicon wafer, diamond grit 36-60. Cutting fast; the ... be broken.4, Used for cutting and polishing of other metal products, such as aluminum, stainless steel, etc. Outer Diameter: 100mm- ...