Brand new and high quality diamond grinding wheel. Type: Plain. Grit material: Diamond. Other main material: Aluminum and resin. Abrasive grain: JR. Bonding agent: S2. Concentration: 75%. Grit: 1000. Outside diameter: 100mm / 4''. Mounting hole diameter: 20mm / 25/32''. Rim dimension: 10mm x 4mm / 25/64''x 5/32''(T*W). Designed to grind carbide, hard steel, die steel, etc.. Mainly used in processing polished alloy, saw blade and sawtooth
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