Augers are equipped of mass production of double joint, orbital engine and epicycloidal reduc, rubber pipes for hydraulic circuit and flat- head quick couplers. They are used for works on medium hard grounds, rocky or asphalted grounds. Drills are available with diameters from 150 to 800mm and longness 1000mm. Extension drills without elics are available with 1000mm longness. They can be attached on excavators, backhoes and skid steer loader.