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Cutting steel with a miter saw (lemmy.world)

submitted 1 week ago by scutiger@lemmy.world to c/diy@slrpnk.net

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Is it safe to cut steel with a miter saw?

I have a small project and I need to cut 3/4" steel square tube. I already own a miter saw, and I don't have the space or otherwise a need for a dedicated tool for cutting metal. I was hoping to just pick up a metal-cutting circular saw blade and use that.

My googling seems to either tell me it will cut like through butter or it will explode in my face and set fire to the house and my wife will leave me and take the kids with her.

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[–] CompactFlax@discuss.tchncs.de 2 points 1 week ago* (last edited 1 week ago) (1 children)

Take all the safety precautions (clamp it, safety goggles, hearing protection, double condom, mother on speed dial) until you understand how it behaves and use a metal cutting blade. Also use some cutting oil.

Don’t do what I saw one home improvement professional idiot doing - repeatedly slamming the blade into the workpiece until the blade stalls. It was painful to watch.

[–] scutiger@lemmy.world 3 points 1 week ago

Oil's a good call that I hadn't seen mentioned yet.