1/1/2024 0 Comments Bosch vs dewalt drill bitsAfter 30 more holes in various types of tile, we noticed the bits (we tested one of each size) were starting to drill slower. The carbide-tipped spears were still sharp, and none of the bits had broken. We drilled all the test holes without adding drops of water because the bits were drilling so well dry, we didn’t feel water was needed.Īfter drilling 10 holes, we checked the bits for wear. We used masking tape on some of the tiles to further reduce the risk of wandering and prevent surface chipping, but we also drilled holes without the benefit of tape, and the Owl Tools bits excelled in both cases. We tested the Owl Tools bits on several types of tile, including marble, travertine stone, shale, glazed ceramic, and glass tiles. The shanks are made from steel and the bits boast carbide tips for added hardness. In our tests, this 10-piece set of masonry drill bits from Owl Tools demonstrated a high level of durability while the spear tips proved to reduce wandering (sliding across the surface of glazed tile before creating a hole). When folks have a variety of different tile materials to tackle, it can be difficult to pick the best drill-bit set. We finished by adding up the scores and using them to determine the best categories for each set of drill bits. After drilling an initial 10 holes with each bit, we inspected them for dulling and wear before drilling more holes. We did not judge the bits on how long it took to drill through a tile because different types of tile require longer drilling times, and it’s counterproductive to exert strong pressure while drilling as it can cause the bits to break. We looked for durability and relatively smooth-edged holes-it’s not unusual to have some slightly ragged edges, however. The better a drill bit performed, the higher the score. We scored each bit (or bit set) using a rubric throughout the hands-on testing process. Our goal was to determine how well the bits stood up to their intended drilling purposes. In short, we did not test a bit made for drilling ceramic or glass tiles on porcelain tiles, which are much harder. We tested the bits by drilling multiple holes, but we only tried them on tile types they were designed for. As the manufacturer suggested-or if a bit was struggling to drill through-we added a few drops of water while drilling to help keep the bit from getting too hot and breaking. It’s not always necessary, so we didn’t tape all the tiles-for example, the surface of a travertine tile is soft and porous, and most bits will not wander when drilling through travertine. We used masking tape on the tops of some tiles, which can help keep bits from wandering and reduce the risk of the tile chipping during the drilling process. All of the drill bits were tested using a standard cordless drill. Our actual testing process was straightforward. We considered the brand to an extent-DeWalt and Bosch are both top manufacturers of construction tools-but didn’t automatically eliminate drill bits from smaller or niche manufacturers if they featured carbide or diamond tips and were rated well by consumers. Over the years, we’ve had plenty of practice drilling tile, so our experience combined with in-depth product research was instrumental in selecting the drill bits for testing. ![]() Photo: Glenda Taylor How We Tested the Best Drill Bits for Tile
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