Hanlinsky provides the full range of drilling bits for Reverse Circulation Drilling, which are widely used in exploration, sampling and mining. Combining with our RC hammer, the goods are features in high quality, high performance and long service life. Meanwhile, customers can customize their RC bits in various ways, such as changing the tungsten carbide insert profile (spherical, ballistic, etc.), face profile (flat face, concave, convex, etc.) and flushing holes.