Problem to be solved: to provide a disc grinder effectively capable of collecting dust particles generated during cutting by a disc cutter.A disk grinder 1 is mounted on a drive body part 5, a disk cover 9 mounted on a front end portion of the drive part 5, a disk cover 15 covering the upper half of the disc cutter 9, and a drive body part 5 A support frame 21 having a holding portion 17 and dust collecting device 19 is constituted.Dust collector 19 is composed of dust collecting pipe 67 and dust collecting opening 69 connected to dust collecting pipe 67, and end opening 73 of dust collecting portion 69 is The rear end of the disk cover 15 and the rear end of the portion 25 of the disc cutter 9 below the disk cover 15.Diagram
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