We used the DeWalt bits to drill through travertine, slate, marble, ceramic, and glass tiles. The bits have carbide spiral ...

Winter brings fresh projects and tight budgets, but one bathroom job still sparks dread. A near-invisible tweak can calm the drill nerves. Across Britain, ...

You'll get the best results when drilling ceramic, porcelain, or concrete with a masonry bit tipped with carbide or diamond. A carbide bit will be slower going than diamond. You can also use a ...