Hanlinsky provides the full range of drilling bits for DTH Drilling, which are widely used in mining, water well, foundation, oil and gas. Combining with our DTH hammers, the goods are features in high quality, high performance and long service life. Please make a selection by your required bit diameter, shank type, face profile (flat, concave, convex, etc.), tungsten carbide insert profile (spherical, ballistic, etc.) and flushing holes.