5 Inch IR350 Shank API 3 1/2'' REG DTH Hammer For Water Well Drilling
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...Hammer IR350 Shank 3 ½ API connection For Down The Hole Water Well Drilling Product description DTH(Down the Hole) hammer is used for drilling holes through a wide range of rock types, the variety of which continues to extend well beyond the original conception of early blast hole drilling. Down-the-Hole refers to where the hammer action occurs when compared to drifter hammers, which hammer on top of the drill string. The DTH hammer......
Changsha Sollroc Engineering Equipments Co., Ltd
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