The ornamental design for a dispensingscrew, as shown and described.
FIG. 1 is a top, front, and right side perspective view of a dispensing screw embodying our new design;
FIG. 2 is a top, front, and right side perspective view of the dispensing screw shown within a housing, the housing being shown in broken lines as unclaimed environment;
FIG. 3 is a right side elevational view of the dispensing screw shown in FIG. 1;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a left side elevational view thereof; and,
FIG. 8 is a rear elevational view thereof.
The broken lines shown in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design.