DTH Bits: We offer a comprehensive range of DTH drill bits with all diameters of the current prevailing manufacturers’ hammer shank designs to match various drilling applications. Our drill bits are multiple heat-treated to enhance hardness, surface-compressed for fatigue resistance, all thus to extend the product life for maximum wear and performance in the toughest of drilling conditions. Moreover, all these bits are also made from high quality alloy steels and fitted with premium quality tungsten carbide tips for superior penetration rate. Whatever conditions you are dealing with, our DTH hammer bits make the job easier. They are fitted with our proprietary cemented carbide tips, which are designed to drill further.