[header] How to drill through granite [title] Make certain you really, really, really need to drill a hole where you're thinking about drilling one. [step] Consider other alternatives before you start putting holes in your granite, especially when you're working with something as expensive as a granite countertop. [title] Determine the ideal hole size your application requires. 
[title] Mark the area where you plan to drill. [step] For small diameter holes, you can use a small dot.