I was not pleased with a diamond core bit I had bought from a local supplier to drill granite steps for railing installation. I happened across EDiamond's website and ordered 2" and 3" Supreme wet core bits. I was advised by Vince that these were the best choice for granite and he was absolutely right. The 2" performed great with no tip glazing or excessive wear for 6 5" deep holes. EDiamond will now be my go-to people for my core drilling needs. Bonus...their pricing is very reasonable. Thanks Vince for your help and knowing your product.
7 years ago
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