Dth Tools
Down-the-hole drilling (DTH) essentially involves a drilling hammer at the bottom of a drill string. It relies on three elements for drilling holes: bit loading (weight), rotation and air. These active elements combine to be efficient at crushing rock.
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Sanhe Hargrand Drilling Tools Co., Ltd.
HARGRAND (Former: BAOQI) was specialized in drilling machine and tools. It is located in Yanjiao National High-Tech Development area at Hebei Province which is 20 kilometers away from Beijing Capital airport, and 170 kilometers to Tianjin port.
HARGRAND provided a whole set of drilling tools,drill mud,drill rigs,drilling equipment,DTH tools,rock drill which include Diamond Bits, PDC Bits, T.C bits,DTH Bits,Drill Rigs,Drill Mud,Pneumatic Rock Drill,DTH Hammmer,Inclinometer, Casing Shoes, Reamers, Core Barrel Assembly and Accessories, Drill Rods, Casing and other drilling tools.
HARGRAND has many senior engineers and drilling technicians to ensure the producing, trouble-shooting and after-sale service. With over 20 years of producing expertise, HARGRAND provided high quality and utility drilling tools to worldwide market.
