Could the grinder cut a 3mm steel plate

angle-grindergrindermetal-cuttingsteel

I am thinking in building a circular washbasin mounted into a 3mm steel plate. To do it, I need to cut a circle on the plate. I don't have much, just a cheap 1250w grinder and the discs that came with it.

I would like to ask you:

  • Do you think my grinder will be enough for this? Should I buy new specific discs?
  • Do you think my circle will have many imperfections? how could I refine it?

Thank you so much!

Best Answer

Do you think my grinder will be enough for this? Should I buy new specific discs?

3mm? A number of abrasive wheels can cut that easily.

Do you think my circle will have many imperfections? how could I refine it?

Depends on the diameter of the circle and how much control you have. Angle grinders have a high rotational inertia and wouldn't be my first pick for trying to cut a perfect circle. Maybe a smaller tool like a Dremel, or maybe a cutting torch might be better. I would practice on a piece first if you can.

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