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  • I need to cut some channels in plaster for wiring, which I can do with my angle grinder and the diamond blade I have for it.

    However - this is the most efficient dust producing tool known to man, capable of generating megatons of fine, penetrating dust ever fraction of a second during which it is employed.

    Would one of those vibrating things have the cojones to cut through plaster?

    One of these:

  • As above. Hire a wall chaser with extract.

  • I use a blunt wood saw regularly to channel into plaster.

  • Would one of those vibrating things have the cojones to cut through plaster?

    I recently cut through about a metre of 18mm thick solid oak floorboard with one of those. It should be well up to cutting through plaster. It will, however, create quite a lot of dust. If you have one, or can borrow one, then deffo give it a try, but int general I'd say hire the specific tool for the job.

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