The utility model discloses a spline yoke class part end face milling brill both ends anchor clamps for centre bore, it includes anchor clamps bottom plate, vice structure of the base, positioner, supporting arrangement, clamping device, the anchor clamps bottom plate is L shape, and an one of which face is connected with vice structure of the base, connects positioner and supporting arrangement on another face, clamping device include the vice, down the vice keep silent, keep silent down on, upper and lower vice, pass through the screw with upper and lower slide and the key links to each other, upper and lower slide and the cooperation of vice structure of the base respectively to through the positive derotation of hydraulic motor drive to vice the realization simultaneously in opposite directions or simultaneous movement dorsad of trapezoidal screw, be provided with respectively on the vice from top to bottom and keep silent, keep silent down. Using these novel anchor clamps on the lathe bed numerical control end face milling centering lathe to one side, can process spline yoke class part, improved part machining precision, guaranteed processingquality, practiced thrift the cost. Simultaneously, it makes the production line overall arrangement compact, and the work piece is transported swiftly.