Carbide Button for coal mining

These tungsten carbide button bits are mainly used for coal mining, coal cutting picks, electric coal drill bits, coal mining cutter picks, roadway excavation, rotary drilling for pile hole, pavement milling.Such as Bob's bit, Rotary bit,Digger button bit and so on. Gungnir Industry Ltd offer high performance button bit,and the quality reach the international top level, such as Sandvik, Kennametal.