Socket joint type anti-rotary drill drift

The utility model relates to a socket joint type anti-rotary drill drift for drive shaft holder of car and is characterized in that: the drill drift comprises a core bar 1 matching with a jumper bar 2, a positioning member 6 consisted of a positioning plate 3 and a bushing 5 and used to control the relative biasing position between the jumper bar 2 and the core bar 1, a fastening screw 4 encased into the bushing 5 to fix the core bar 1 and the jumper bar 2 and the positioning member 6 on the machine tool. As the utility model adopts above structure, the core bar 1can be replaced to meet the demand of versatile frequent reversal production so as to reduce the work intension of the operating staff. The utility model has the advantages of quick assembly, reliable position, material saving, well craft performance and easy adjustment.