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Hardness 55 / 60 / 65 Plastic Cutting End Mills 100% Raw Material Description 1. We can offer any size tungsten carbide products. 2. It is with high hardness, good wear resistance and high toughness. 3. We use 100% raw material to produce tungsten carbide products. 4. We produce the product according to your requirements. We use 100% original raw material, the micro grain tungsten carbide powder and cobalt powder(from German)to make the carbide rod, hardness can be 92.5-94.0