Made of high quality material, wear resistance, long service life. Designed for grinding tungsten carbide and hard steel, stones, metals and other machining and polishing work. Resin bond for a simple grinding process with good removal rates and low thermal impact on the part. Mainly in alloy knives, saw blade, sawtooth machining and grinding. Can process tungsten steel, quenching steel, grind special hard and brittle materials. Features: Made of high quality material, wear resistance, long service life. Designed for grinding tungsten carbide and hard steel, stone, metal and other machining and polishing work. Mainly used in alloy knife, saw blade, sawtooth machining and grinding. Can process tungsten steel, quenching steel, grind special hard and brittle materials. specifications: Material: diamond, aluminum alloy, resin Binder: resin grinding wheel Grit: 180# Shape: bowl Process: sintering Outer diameter: 100mm Bore diameter: 20mm Package weight: 250g Package list : 1 diamond grinding wheel