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Personne àcontacter Ms. Huang
Hanpu Scientific and Educational Park, Changsha, Hunan
FEATURES 1. In the case of that the hole drilling can&#**9;t be completed normally, the casing can be used for protection hole wall to complete drilling work. 2. Reaming and closure of eccentric wheel is very flexible. 3. Eccentric reaming drilling tools find increasingly broad application in water conservancy and hydroelectric projects. SPECIFICATIONS Casing diameter (mm) /Retract Diameter (mm) /Reaming diameter (mm) /Specifications of adopted hammers **4 *0 **7 3.5 inch **7 *2 **4 3.5 inch **0 **5 **2 4 inch **6 **5 **6 4 inch **8 **8 **2 5 inch **0 **5 **9 6 inch **9 **0 **4 6 inch, 8 inch **3 **2 **3 *0 inch
