Bihui Pro-Wet Flex Diamond Hole Saws are the perfect choice for drilling through tough materials with ease. They are suitable for drilling multiple materials including porcelain, marble, granite and travertine.
 
These diamond hole saws feature an electroplated diamond cutting rim with a discharge hole for easy dust removal.
 
They are compatible with all standard drills thanks to their straight shank. 
 
The hole saws come in a variety of sizes to suit your needs.