Review on Diamond BGTEC Tools: Revolutionizing 💎 Cutting with Porcelain, Ceramic, and Granite Surfaces by Andargie Marquez

So let's talk about holes. I haven't had much experience with hole saws in the past so I was understandably concerned when I was looking for something to drill a 90mm hole in the outside wall of my house to install a mini split air conditioner. The prejudice against tools is that the cheaper, the worse the quality. I felt these saws were average for the price, but I became a bit concerned after reading other reviews. However, I gave it a try and decided the price was low enough to take the risk. I was surprised. With this and two other items, a serrated hole saw and the matching adapter for this hole saw, I was able, albeit slowly, to cut through 1/4" plaster of paris, 1/4" plank of wood, 1/2" wood. (with a nail at the cut line) and 1/4" exterior plaster with built-in wire reinforcement with no loss of sand or teeth. I want to clarify a few things: I do not recommend a wood/drywall saw. / other soft materials due to padding and heat issues that can occur with grit. It handled a small amount of wood without too much trouble, and knocked out plaster (which looks more like concrete) and plaster with wire with relative ease. But above all, you MUST do it slowly. Don't force the saw to go any faster than it can on its own and make sure you hold the bit steady as it will push HARD when it hits the material, but it will get the job done. I look forward to using them again in the future for my second mini split setup. Below are the tools used for this project: Toolocity cbadptr_0038 Bit Adapter -5/8"-11 to 3/8" Triangular Shank BlackRannb Carbide Hole Saw 90mm/3.54" Cutting Diameter Core Drill for Cutting Stainless Steel AlloyDry, BGTEC 1pc 3-1/2" 90mm Diamond Hole Saw with 5/8-11 Thread for Porcelain Tile, Porcelain Tile Marble Masonry