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The ornamental design for a drill bit head, as shown and described.
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FIG. 1 is a top plan view of the drill bit head.
FIG. 2 is a side plan view of the drill bit head
FIG. 3 is a side plan view of the drill bit head.
FIG. 4 is a bottom plan view of the drill bit head.
FIG. 5 is an upright perspective view of the drill bit head.
FIG. 6 is an upright perspective view of the drill bit head.
FIG. 7 is a top plan view of a second embodiment of the drill bit head depicted in FIGS. 7 to 12.
FIG. 8 is a side plan view of the drill bit head
FIG. 9 is a side plan view of the drill bit head.
FIG. 10 is a bottom plan view of the drill bit head.
FIG. 11 is an upright perspective view of the drill bit head; and,
FIG. 12 is an upright perspective view of the drill bit head.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.
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| D556225, | Aug 10 2005 | SUMITOMO ELECTRIC HARDMETAL CORP. | End mill |
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| D875147, | May 10 2018 | SEED TECHNOLOGIES CORP., LTD. | Drill bit |
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| Patent | Priority | Assignee | Title |
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