Drilling tool

Description

4. Drilling tool

4:1 Perspective

4.2: Front

4.3: Back

4.4: Right

4.5: Left

4.6: Top

4.7: Bottom

4.8: Enlarged

4.9: Partial enlarged view of broken line rectangle in fig. 4.2

With the exception of the broken line rectangle in figure 4.2 which illustrates a partial enlarged view, the broken lines in the reproduction illustrate portions of the drill bit that form no part of the claimed designs; the dot-chain lines illustrate a border of the claimed subject matter and form no part of the claimed design.

Claims

The ornamental design for a drilling tool, as shown and described.