A hand tool is equipped with a Staubabsaugungseinrichtung which comprises a dust box for receiving dust, wherein an adjustable between locked and unlocked position closing flap is arranged in a tube section which lies in the flow path to the dust box which pivotally supported at the inside wall of the pipe section and is to be opened in the direction of the dust box. In the closed position of the closing flap lies against a projecting into the tube section stop which angularly extends to the flow direction through the pipe socket and a stop line or surface forms, in which the closing flap corresponding line- or surface shape is applied.