The DeWalt DW5578 Diamond Tile Bit powers through the densest, most abrasive tile materials with precision. The ultra-durable diamond-welded tip delivers extreme durability and significantly outlasts conventional masonry bits when drilling through glazed ceramic, solid-body porcelain, and other dense tile.

• 1/2" bit diameter
• Diamond-welded tip for extreme durability in dense tile materials
• Reverse spiral threads deliver continuous water cooling for higher drilling speeds
• Core ejection slot removes the waste plug - ideal for repetitive hole-boring jobs
• 3/8" straight shank fits standard drill chucks
• Drills glazed ceramic tile, solid-body porcelain, and glazed porcelain