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The ornamental design for a quick change bit holder with hardened insert, as shown and described.
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FIG. 1 is a right side elevational view of the quick change bit holder with hardened insert, showing my new design,
FIG. 2 is a back side elevational view thereof,
FIG. 3 is a left side elevational view thereof,
FIG. 4 is a front elevational view thereof;
FIG. 5 is a bottom plan view thereof,
FIG. 6 is a top plan view thereof,
FIG. 7 is a right side elevational view of a second embodiment of the quick change bit holder with hardened insert, the only difference being the shape of the conical nose with all other features being the same,
FIG. 8 is a back side elevational view of the second embodiment thereof,
FIG. 9 is a left side elevational view of the second embodiment thereof,
FIG. 10 is a front elevational view of the second embodiment thereof,
FIG. 11 is a bottom plan view of the second embodiment thereof; and,
FIG. 12 is a top plan view of the second embodiment thereof.
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