To provide a squeegee allowing gap adjustment, reducing frictional resistance in cutting, and discharging foreign matter.

This gap adjustable squeegee is assembled between a nut and a screw shaft, and installed in an annular groove of the inner peripheral surface of the nut. The squeegee is an annular flexible member whose outside diameter is a little larger than the annular groove of the inner peripheral surface of the nut, the inside thereof is provided with a cutting tooth part meshing with the screw shaft, the outer peripheral surface thereof is provided with a conical surface inclined to the annular groove of the inner peripheral surface of the nut, and the conical surface is provided with a cutting groove penetrating the cutting tooth part to the back.

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