Multi-substrate Fastener with Upper Thread Cylindrical Wall and Cutting Tip

FIG. 1 is a top perspective view of a multi-substrate fastener with upper thread cylindrical wall and cutting tip, showing our new design;

FIG. 2 is a first side view of the multi-substrate fastener of FIG. 1 ;

FIG. 3 is a second side view the multi-substrate fastener of FIG. 1 ;

FIG. 4 is a third side view the multi-substrate fastener of FIG. 1 ;

FIG. 5 is a fourth side view the multi-substrate fastener of FIG. 1 ;

FIG. 6 is a top view the multi-substrate fastener of FIG. 1 ; and,

FIG. 7 is a bottom view the multi-substrate fastener of FIG. 1 .

The broken lines are for illustrating portions of the multi-substrate fastener with upper thread cylindrical wall and cutting tip which form no part of the claimed design.