Double Casing Rock Drilling Bits Crown Bit

Applicable Industries:sampling, water well drill, foundation drill

Processing Type:Forging

Packing:Wooden Case

Brand: HFD Mining Tools

Double head rotary percussive casing system utilizes a rotary head to drive the outer casing equipped with a tungsten carbide crown and a hydraulic drifter (top hammer) to drive the inner drill string equipped with a percussive drill bit. This is an excellent method for drilling straight holes in varying ground conditions. The water and compressed air can be both provided as power.

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