Locking Bolt

FIG. 1 is a back and top perspective view showing the ornamental design of the claimed locking bolt;

FIG. 2 is a front and bottom perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The dashed lines depict a symbolic break in the length of the locking bolt and form no part of the claimed design.