The ornamental design for a screw-cap closure, as shown and described.
FIG. 1 is a front perspective view of a screw-cap closure showing my new design in a positon of use with an exemplary container;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is an enlarged front perspective view of the screw-cap closure as shown in FIG. 1, with the container removed to show aspects of the design not visible when combined.
The broken lines are shown for the purpose of illustrating both parts of the article as well as environmental subject matter of an exemplary container. None of the broken lines form part of the claimed design.