Mixed file universal handle

The utility model discloses a mixed file universal handle. A blind hole is opened from the head of the handle, used for inserting a file round handle. The inner part of the handle closes to the head is inserted with a cuboid metalwork. A through hole is opened on the metalwork along the lengthwise direction; the through hole is coaxial with the blind hole opened on the handle with the identical diameter; one side of the handle close to the head is provided with a bore whose axial cord is vertical with that of the blind hole. The bore passes through the inner metalwork and goes forward till the hole opened on a plastic handle along the lengthwise direction and communicates with the hole. The hole arranged on the metalwork is made into a screw hole. The universal handle is provided with a branch head bolt with a circular plastic head matched with the screw hole of the metalwork. The utility model has the advantages of comfort and powerful holding, enhanced efficiency and good compaction character. The utility model is uneasy to drop, the file is easy to assemble and disassemble with strong durability, which adapts to different standards of needle files. The utility model can be used for a long period.