The ornamental design for a screwslot, as shown and described.
FIG. 1 is a perspective view of the screw slot shown in the head of an exemplary screw.
FIG. 2 is a plan view of the screw slot according to FIG. 1; and,
FIG. 3 is a sectional view along the line 3—3 of FIG. 2.
The shape of the head of the screw within which the screw slot is located and the body of the screw are shown for illustrative purposes only and forms no part of the claimed design.