We are the leading supplier and distributor of highly efficient Coal Drill Bit that is highly durable and long lasting. These drills are used for cutting coal, stones in mines and in bore wells. The forge material in EN 9 and two Tungsten Carbide Tips are brazed on the cutting legs of bit. The diameter of bit made is from 25mm to 43mm and the shapes can vary as per the application. Used for Cutting CoalCutting Stone in MinesBore Wells Diameter 25mm to 43mm