💎 High-Quality Set of 2 Diamond Coated Hole Saw Drill Bits (23mm) for Glass, Ceramic Tile, Marble, Rock, and Porcelain Surfaces Review

I'm glad 2 of these things die as soon as you use them 1/2 way and the first one was used up and I had to change it said I need it's just for that one hole and i wouldn't lose $40, great price. the material i drilled was marble and some plywood i guided it with. i also sprayed it with water when it started overheating pretty quickly

I used this drill bit to drill a hole for a water tap in 7 mm thick ceramic tiles. I cut the hole before installing the tiles. I used a drill press and a rubber tile mat and a small spray bottle of water to keep the drill bit cool and clean. I've only cut one hole so far, but it cuts through like a hole saw through softwood. I expect to get multiple holes from each drill. It was very easy. I used them whenever I needed to cut holes in tiles.

I ordered on July 6th, shipping is scheduled for September. The beats arrived within a week! (Revane still thinks they weren't delivered lol). I had to drill a 1 inch hole in a cinder block basement wall to install an outlet outside. I figured this would carry both bits given the price. To my pleasant surprise, the first piece chewed through two cement walls of a 2x2 inch cinder block with ease. I didn't even try to cool the bit with a jet of water during the immersion. I just dunked it in a…