... -50mm,Length: 100-330m 1, Brief introduction of our factory and some applications of tungsten carbide rod blank and grinding finished ... shapes, in suitable carbide grades, in the purpose of manufacturing of all types of drills, end mills, reamings, carving tools. ... ,graphite.TF12K4014.0592.53750It's recommended for manufacturing of all types of drills, end mills, reamings, carving tools. suitable ...