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Thread: Oscillating multi-tool stationary mortiser

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    Supporting Member threesixesinarow's Avatar
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    threesixesinarow's Tools

    Oscillating multi-tool stationary mortiser

    I use this machine for cutting rectangular mortises. I had bad results with hollow chisels I made the size I needed, and bought a Harbor Freight multi-tool just to rule out before building something less crude. It worked well enough that I havenít started that - still, I donít know how durable this one will be.

    It replaces the regular head on my radial drill, and I use table clamps to keep work from moving with the blade. I plan to add a kind of presser foot, too, which will help positioning.

    I tried a few different blade designs and for this size three teeth about 1/8Ē apart seemed to work better than just two teeth, or else more. There are slots both sides of the blade so chips can push out.

    Oscillating multi-tool stationary mortiser-7706dec2-3b59-41cf-9ee8-0076558777f1.jpg Oscillating multi-tool stationary mortiser-09d68116-2da8-43fd-abc2-1a70079f92a3.jpg

    Oscillating multi-tool stationary mortiser-7738c78d-8805-444c-9c4f-1841098e10a0.jpg Oscillating multi-tool stationary mortiser-d357e1d7-65d6-4fdb-9c9b-f64d8840db2d.jpg
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