Double headed self tapping screw
US D567074 S1
The ornamental design for a double headed self tapping screw, as shown and described.
FIG. 1 is a perspective view of the double headed self tapping screw of the present invention showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US20090116931 *||7 Nov 2008||7 May 2009||Wray Robert P||Fastening devices, systems and method of installation|