Description of SHDIATOOL Concrete Granite Diameter Inches
#30/40 diamond grit, designed for drilling hard concrete, masonry, hard brick, granite, and other hard stones. Diameter: 2-Inch(Outdiameter 51mm). With the thread of 1-1/4" UNC. Drilling depth: 16"(400mm). Drilling Method: Only Wet drilling.
After I put it to the test on a granite counter, I was blown away by its power and precision. The holes were clean and accurate, with no chipping or cracking. The bit stayed sharp and durable, even after multiple uses. The only downside was the price, but it's worth the investment for such a high-quality cutting tool. .
Pros
Efficiently cuts through concrete and granite
Cons
May cause chipping or cracking in delicate materials
I bought this to drill a hole in a 4 inch thick concrete slab. was pictured with an adapter half the size of the real one with "Often bought together" written on it, so I bought a useless adapter.