7 PCS Diamond Drill Bit, Hex Shank Tile Bits Dry Drilling Set Multi Functional Porcelain for Granite Ceramic Marble Stone and More

Package Includes: A 7-piece diamond drill bit set, including 6 blue dry-drilling bits in sizes 5mm, 6mm, 8mm, 10mm and 12mm, as well as a 6mm blue spiral cross bit. It comes with a bag for easy access and storage. Premium Material: These tile drill bits feature steel welded with high-quality industrial diamonds, vacuum-brazed. Dense, sharp diamond particles offer strong wear resistance, no breakage and easy penetration of hard glazes. Easy Operation: This set of dry drilling bits has built-in cooling wax, enabling dry drilling without the need for water. During drilling, the wax melts to lubricate and cool the drill bit, reduce debris and prevent overheating damage. Precise Positioning: This porcelain tile drill set includes a 6mm spiral cross bit, which effectively prevents diamond bits from deviating or wandering. This ensures more precise positioning and higher drilling efficiency. Wide Application: These masonry drill bits suit home, industrial and DIY projects. Suitable for drilling porcelain tiles, granite, marble, stone, concrete, glass, plastics. Ideal for bathroom, kitchen renovations and tiled walls.