Polo singh and co manufactures thread-rolling machines in a simple design offering smooth operation. The automatic thread rolling machines are available with salient features like adopt standard die dimension; easy pitching to cut down set up time largely; and blanks to be rolled are individually fed into introduction channel. The spring-loaded guide of the introduction channel provides feeding during the introduction of blanks between the thread rolling dies. The thread rolling machines are available with push in system as a special advantage for feeding long shank bolts.