Applicable Industries:sampling, water well drill, foundation drill Processing Type:Forging Packing:Wooden Case Brand: HaoTing 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. Request a quote for detailed information (MOQ, price, delivery)
