CIR65, CIR70, CIR80, CIR 90, CIR110, CIR150, CIR170,
CIR65, CIR70, CIR80, CIR 90, CIR110, CIR150, CIR170, CIR200 hammer downhole equipment. Description: low air pressure down hole hammer manufacturer. DTH hammers are used for blast hole drilling and water well drilling project. Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining,Low Air Pressure DTH Drilling Tools CIR130 CIR170 DTH,,SOLLROC is a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China. We have rich experience in this field of DTH hammers and bits for 20 years.Center Rock - Down Hole Hammers and Rock Drill Bits,Center Rock used advanced DTH drilling technology to break through to the Chilean miners trapped 2,070 feet underground in Copiapo, Chile. Learn More We proudly serve the construction, foundation rock drilling, oil and gas, water well/blast hole, mining/quarry, geothermal and utility industries.