Тип пустотелое сверло машинного оборудования DM160 пустотелого сверла диаманта сверля сухой/влажный тип пустотелое сверло диаманта

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Diamond Core Drill Keyword:diamond deep core drill; wet+dry diamond core drill Product Introduction This diamond core drill is equipped with an outer adjustable safety clutch and a current overload protection switch. When the drill is blocked or the twisting force is too strong, it can break off the clutch or the switch automatically to protect the drilling machine. It is also safe and reliable for its double insulation. Quick-release water hose coupling; Suitable for various