THE THREE ROLL TYPE HYDRAULIC THREAD ROLLING MACHINE OPERATES HYDRAULICALLY. THE SIMULTANEOUSLY AND CONCENTRICITY OF THREE FORCES AT 120o ASSURE STABILITY OF THE WORK PIECE DURING THE ROLLING AND AS A CONSEQUENCES THE MAXIMUM GEOMETRICAL PRECISION OF THE WORK PIECE. THE ELIMINATION OF THE SUPPORT BLADE CONSENTS A BETTER FINISHING OF THE PIECE AND EXECUTION OF PARTICULARLY DELICATE PROFILES. THE MACHINE IS SUITABLE FOR ROLLING PIPES, LAPPING WORK, THREADING WITH A HIGH CLASS PRECISION AND FOR MASS PRODUCTION FOR SCAFFOLDING PIP JACK AND SOLID JACKS SCREWS ETC.