Product Name: 172 Mud Motor DHD HDD Professional Supplier Model NO.: 172 Handle Material: Alloy Steel Type: HDD Trenchless: HDD HDD Drilling Tool: Mud Motor Trademark: RLK Transport Package: Polywood Box Specification: 172 Origin: Make in China HS Code: 8412291000 Product Description #172 Mud Motor DHDUsed for HDD onlyFeature: High deflecting +ultrashort+high efficiency.Mud Motorparameter for HDDNo.ItemFlow rate(L/s)Bit size(mm)Rod dia(mm)Thread type116520-32213-251114-127NC462216520-32213-251114-127NC50No.ItemFlow rate(L/s)Bit size(mm)Rod dia(mm)Thread type117220-36213-251114-140NC50217220-36213-251114-1405-1/2FHDown-hole motor is also named mud motor which is best choice in HDD projects on conquering the complicated methane.When combined drilling the drill pipes and downhole motor rotate together.When directional drilling keep the mother line of downhole motor and 12 o'clock position of probe cavity in line and rotate the downhole motor and probe cavity together making them point to the needed direction. In this case the drill pipe and shell of downhole motor stop rotating,drilling machine provides the pushing powre only.Cone bit drills the rocks driven by the rotor which is driven by the drilling fluid.Picture of Manufactory