Small -size drilling tool back -off ware

The utility model discloses a small -size drilling tool back -off ware is including inside top connection, axle sleeve and the conical surface dabber of suit in proper order of standing by as an outsider, top connection bottom inner wall and the orthohexagonal structure of outer wall processing in axle sleeve upper portion for mutually supporting, the axle sleeve lower part inwards gradually the shrink form toper portion, on its lateral wall from many fracture straight joints have been seted up along the axial to axle sleeve bottom terminal surface, are formed with in the junction of axle sleeve upper portion and lower part and carry out spacing annular table rank to the top connection, the conical surface dabber outside is equipped with the bellying, top end screw thread connection fixes on the top connection inner wall, makes the axle sleeve bottom press and joins in marriage on the up end of bellying, this small -size drilling tool back -off ware is applicable to the fishing operation of small -size drilli