To provide a screen printer squeegee equipped with a printing agent guide member for the squeegee which is excellent in attaching properties and also can be attached easily to a position corresponding to the boundary portion of the sphere of a circuit pattern to be printed of a printed board and moreover which has an attaching structure so devised that an attaching height position is corrected to an appropriate one in the use.

The screen printer squeegee comprises a squeegee member main body and the printing agent guide member which is provide on both sides off from the center in the horizontal length direction of the squeegee member main body so that it can come into contact with a screen mask and which scrapes up a printing agent coming off from a printing sphere and guides it into the sphere. The printing agent guide member includes a movable holding means which is moved upward by a pushing-up force caused by the contact with the surface of the screen mask and holds the guide member in the squeegee member main body, at the position to which it is moved up, on the occasion when the squeegee member main body slides on the screen mask.