Locking burr for interlocking fasteners
FIG. 1 is a perspective view of a locking burr for interlocking fasteners showing my new design; 
     FIG. 2 is a top plan view thereof; 
     FIG. 3 is a first side elevational view thereof; 
     FIG. 4 is a second side elevational view thereof as seen 90° from that of FIG. 3; 
     FIG. 5 is a third side elevational view thereof as seen 90° from that of FIG. 4; 
     FIG. 6 is a fourth side elevational view thereof as seen 90° from that of FIG. 5; and, 
     FIG. 7 is a bottom plan view thereof.