DTH Button Bits: DTH Button Bits suitable for Rock drilling, water well drilling, Quarrying, blast hole drilling, borehole drilling, tube well drilling.These products are mainly used in exploration, drilling, geo thermal industries. Our knowledge in-house ensures that they are precision designed employing the latest technology. In addition, we ensure that only quality raw material is employed in manufacturing these products. DTH Button Bits suitable for Rock drilling, water well drilling, Quarrying, blast hole drilling, borehole drilling, tube well drilling. Available Ranges: Ranges : 3"-24"