Cutting concrete with Angle Grinder?

[ubeaut]

I need to cut out some concrete from a slab. No idea how thick the slab is. Measurements for the cut are 500mmx 600mm so it's pretty small. The slab is quite old (built same time as the house, I'm guessing 1950's or so and in the shed. I know a wet saw would be the best way to go but was wondering if I could get away with a large angle grinder and what types of discs I'd need and roughtly what they'd cost. How successful will I be going with this option :lol: ? Cheers! PS: Just...

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[les88]

I have a 9 inch Makita angle grinder and use a 9 inch diamond saw blade which cost about $90 - $100 it cuts concrete like butter.
les