Drill reamer HYQ series

Model “HYQ” Roller Reamer comes in two types: the drill string type and the near bit type. Both of the two types can be used for centralizing and reaming. The tool has three rolling wheels on its body surface, and the rolling wheel can be changed easily on the drill site. The roller wheel can be divided into three models: inserted tooth (B Model), narrow tooth (T Model) and wide tooth (F Model), which can be suitable to abrasive layer, hard layer and soft layer respectively.