Screw

FIG. 1 is a top perspective view of a screw showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a first side elevational view thereof;

FIG. 4 is a second side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a cross-sectional view taken along line 7 - 7 of FIG. 5 .

The dashed broken lines shown in the drawings illustrate portions of the environment and the screw and form no part of the claimed design. The screw is shown with symbolic breaks in its length, as represented by dashed wavy lines. The appearance of the break lines and any portion of the article between the break lines forms no part of the claimed design. The dash-dot-dash broken lines define the bounds of the claimed design and form no part thereof.