Screw Having Two Threads

FIG. 1 is a perspective view of a screw having two threads showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view of the screw having two threads viewed from another direction.

The broken lines in the drawings illustrate portions of the screw having two threads that form no part of the claimed design.