Review on 💎 Drilax 2-7/8 inch Diamond Hole Saw Drill Bit for Effortless Drilling in Ceramic, Porcelain, Granite, Quartz Tiles by John Brazington

Purchased to cut a few holes in hard, large tile. Hole saws look flimsy, but they do the job well. We used a low-speed cordless drill and a spray can (a bottle of recycled glass cleaner) to keep the tiles wet. Scrap the tile and then use that tile as a positioning device to keep the saw stationary when it's started. Once we got a few millimeters into the tile we were able to remove the jig (and the water only runs down the side of the hole saw so the jig doesn't really cause any problems.) Anyway, the pry bar hole jig is a great option too to cut holes near the edge of the tiles! So make sure you start your holes with a finished tile surface. We had to install 4 valves with these holes plus a larger mixing valve with an uneven opening. We used the same saw to make the corners of the irregular hole so I would say we cut 7 holes with this saw. It still works well and doesn't seem to have lost much sand. So I find it quite durable. (Edit to add :) It's worth noting that we tried a few alternatives first. In particular, we tried the tile cutting attachment in a spiral cutter (rotary tool) for the first time. This might work for thinner, weaker tiles, but not at all for thick, large format porcelain tiles. We couldn't cut a single hole before we burned the bat. $6 so far. The next thing we tried was diamond-tipped glass and tile drill bits: if they went fast, we figured we could "perforate" the tile with a series of holes in a circle and then punch between the tips. No luck! Those bits wanted nothing to do with that tile. So! Were we glad this chainsaw worked!