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concrete grinding
I have a small area of concrete I need to grind. 60x4 inches and about 1/4 in thick. I can hammer drill some of it but need to smooth it after that.
I am looking at 2 diamond bit grinder pads. One is 7in low speed and the other is 4.5in hi speed. Which speed do you think cuts better?
I am thinking slow speed cuts better. About $10 price difference.
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