Concrete Drill Bits for Concrete, 9 Pieces 5mm - 16mm Electric Hammer Drill Bit Cross

"About this item.9PCS DRILL BIT SET: 5mm.6mm.6mm.8mm.8mm.10mm.12mm.14mm.16mm x 160mm; The drilling depth is 100mm. With this, you can drill all common dowel holes. (For your machine and personal safety, it is not recommended to use a three-claw impact drill.)CARBIDE DRILL BITS: The drill bit set is made of high-quality carbide steel, durable and rust-resistant. The tungsten carbide-tipped drill head is harder, stronger and more resistant to extreme loads; high-density drilling and rapid removal of waste.X-SHAPED HEAD: It features innovative X-shaped geometry with unique cross-groove design for optimal disassembly and ease of use. Fully hardened drill bit with double flute spiral for efficient waste removal.2-HOLE SHANK: Round handle, double hole drill bit, standard drilling tools in individual red case for concrete, granite, stone. It ensures optimum removal of dust and debris via rounded spiral geometry, more efficiently.APPLICATION: drilling holes in concrete, ceramic tiles, stone, wood, aluminum, plastic, concrete and multi-layer materials / For all drills with holder such as Bosch, Makita, Hilti, Einhell, Kress and many more.