Mills Machine manufactures step, apex or claw construction drilling bits for use as free bore drills or, with retractable wings, as casing push drills. Over fourty years of experience are behind the full line of Mills Machine holeopeners. Circulation is standard or reverse and for horizontal or raised bore drilling. Mills has over 600 different tool joint thread gages in stock to build adapters, including most horozontal threads, to go from one thread to the second thread. Specialty drill rods for specific applications.
Mills continually reworks and modifies holeopeners and drilling tools.
Our expert welders will add new cones, repair blades and modify the tool rapidly and to your specifications.