| 摘要 |
PROBLEM TO BE SOLVED: To conveniently and positively perform grounding of an output shaft. SOLUTION: This power tool is provided with a motor 2, a speed reduction block 3 for reducing an output of the motor 2, and the output shaft 4 driven by the motor 2 via the block 2 and attached with a chuck. A ground cable is connected to an outer shell of the motor 2. An electrical connection member 46 is provided undertaking an electrical connection between the motor 2 and the output shaft 4 by a route different from a mechanical connection route for power transmission.
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