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As the question is self explanatory, I want to know can I diamond blade cut aluminum and brass rods? I have a 7" diamond blade (circular) but I cannot find the manufacturer's recommendations on this. If someone can help. If in case, it is not good to cut al and brass rods with diamond blades, please also suggest what kind of blades can I buy for the same. Thanks. Diamond blade

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    Metal cutting blades can usually be used to cut most metals. They also do a nice on plexiglass.
    – crip659
    Oct 25, 2021 at 22:19
  • Brass and aluminum are both relatively soft metals. So you don't have to go to the expense of a diamond blade to cut those materials. A good bi-metallic blade will work just fine. The blade material (or the cutting edge/teeth) just needs to be harder than the material you're trying to cut.
    – SteveSh
    Oct 25, 2021 at 22:24
  • @crip659 thank you, I will look at metal cutting blades. What do you mean by plexiglass? Is plexiglass also a cutting blade? Oct 25, 2021 at 22:28
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    @GaganBatra Plexiglass is not a cutting blade. It is clear plastic sold in sheets and metal cutting blades do a nice job cutting Plexiglass.
    – JACK
    Oct 25, 2021 at 23:09
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    The diamond blade probably can be used to cut aluminum and/or brass for a few cuts, but it probably isn't the best blade to use. It might ruin the blade.
    – gnicko
    Oct 26, 2021 at 1:45

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My question has been answered in comments, providing a summary of it: As @GregNickoloff and @blacksmith37 mentioned that it might be possible for a few cuts but it would probably ruin the blade (wear and tear of diamond plate), so it is better not to use it. Also a side note, the shown blade is supposedly only to be used for tile cutting or similar materials. As a solution, @crisp659, @SteveSh and others have suggested to use a metal cutting blade or a bi-metallic blade.

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    Nice job of gathering all the "Answers in comments" into an actual answer! Thanks for doing so.
    – FreeMan
    Oct 26, 2021 at 11:40

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