Cutting granite countertop DIY Home Improvement Forum
Jul 31, 2018 Diamond blade will do it, but you risk shattering/chipping the edge due to vibration from the hand-held grinder. If you do choose to make the cut yourself, use a granite rated drill bit and FIRST drill each inside corner to leave a rounded inside corner cut. Square cut corners are stress points where the granite is more likely to crack and break.
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