Economic choice for common maching of normal tool steel of harndess lower than 48 HRC without heat-treated process, including mild steel, mid-carbon steel, tool steel, iron casting, Nickle-Chrome steel alloy, etc. Made from premium Tungsten carbide rods with advanced wear-resistent coating, making these tools capable of faster feed rate in machining tasks. Its execellent geometic design and high precision tolerance ensure your workpice machined with correct dimension under a stable production process.