Material: Tungsten steel, Shank Diameter: 6mm, Drill Bit Head Size: 10mm | Processing all kinds of metal(including all sorts of hardened steel) and non-metal (such as marble, jade, bone). | Convenient control,using simple,safe and reliable,reduce labor intensity,improve the working environment. | Dual Chamber is crossover lines, not easy to block the lines, more suitable for the object of relatively low density material. | High efficiency, high-quality finish, long service life, good economic returns.
