FIG. 1 is a top, front, left side perspective view of a spade drill bit;
FIG. 2 is a left side view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a front view thereof;
FIG. 7 is a rear view thereof;
FIG. 8 is an enlarged view of section 8, noted in FIG. 1;
FIG. 9 is an enlarged view section 9, noted in FIG. 2;
FIG. 10 is a top view of the portion of a spade drill bit shown in FIG. 9;
FIG. 11 is a right side view of the portion of a spade drill bit shown in FIG. 9;
FIG. 12 is a bottom view of the portion of a spade drill bit shown in FIG. 9;
FIG. 13 is a front view of the portion of a spade drill bit shown in FIG. 9; and,
FIG. 14 is a rear view of the portion of a spade drill bit shown in FIG. 9.
The evenly-spaced broken lines in the drawings depict portions of the spade drill bit that form no part of the claimed design. The “dash-dot” broken lines seen in FIGS. 8 thru 14 show the bounds of the figures and form no part of the claimed design.