QL40 DTH drill bits - King Rock Drilling Tool
2021-8-5u2002·u2002Our DTH button hammer bits are made from the best tungsten carbide tips & special steels, after hot heat treated, the steels reach a good level in surface compression & fatigue resistance. All of our products are compatible with many products manufactured by Sandvik, Atlas Copco, Mincon etc., all our Down the hole bits are widely used in mining ...
Get Price