Description of DAMO Diamond Concrete Granite Marble
Diameter 5/8", Max. drilling depth 2";. 5/8-11 thread fits on most popular high-speed grinders;. Use on the job site without using water;. Aggressive cutting on granite and engineered stone;. Max. speed 11,000 RPM.
This hole saw accessory is a complete disappointment. Not only did it break easily but the cut it produced was far from smooth or precise .Overall, this tool proves to be useless and ineffective for any industrial and scientific work..
When used with an angle grinder, it cuts through my granite countertop like a hot knife through butter, leaving a clean hole with no shavings. I started at an angle and dug out a groove before drilling straight down. I also stopped a few times to dip the bat in water to cool it down. In general, everything worked perfectly, without any complaints.