Used for inserting on coal winning machine and suitable for cutting soft medium hard coal bedsTungsten carbide inserts button bitsApplications:Suitable for the oil drilling, snow removal equipment and mining machineWidely used in coal drilling tools, quarrying and mining equipmentAdvantages:We use 100% raw material to produce tungsten carbide productsWith high hardness, good wear resistance and high toughnessWe can offer any size tungsten carbide productsWe produce the product according to your requirements