| 摘要 |
A handheld electric grinder comprises a first shell body and a second shell body. The first shell body contains an electric motor therein, and is connected to the electric motor via a drive shaft. The electric motor is driven to let the drive shaft generate a first rotating speed. A first adapter is disposed at one end of the drive shaft. The first adapter can be directly connected with accessories such as hexagonal socket, screwdriver, brush and electric grinding head, or can be connected with a connector of a speed-change gear set in the second shell body. After the speed-change gear set changes the first rotating speed to a second rotating speed, a driven shaft outputs the second rotating speed. The first adapter and the second adapter can be connected with accessories such as hexagonal socket, screwdriver, brush and electric grinding head.
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