Bolt Unit for Brake Disc Assembly

FIG. 1 is a perspective view of a bolt unit for a brake disc assembly showing the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top view elevational view thereof; and,

FIG. 7 is a bottom elevational view thereof.

The broken lines depict portions of the bolt unit and form no part of the claimed design.