High-Quality Concrete Drill Bits - Set of 9 SDS-Plus Electric Impact Drill Bits for Concrete, Brick, Natural Stone

[9-Piece Drill Bit Set]: 5mm, 6mm, 6mm, 8mm, 8mm, 10mm, 12mm, 14mm, 16mm * 160mm, drilling depth is 100mm. With this set, you can drill all common stud holes. (For your machine and personal safety, a three-jaw hammer drill is not recommended.) [Carbide-Tipped Drill Bits]: The drill bit set is made of high-quality, durable, and rust-resistant hard alloy steel. The carbide-tipped drill bits are harder, stronger, and better able to withstand extreme loads; High-density drilling and rapid waste removal [X-SHAPED HEAD]: It has an innovative X-shaped geometric form and a unique cross-flute design, resulting in optimal disassembly and ease of use. The fully hardened drill bit with a double-edged spiral can efficiently remove waste. [2-HOLE SHANK]: Round handle, double-hole drill bit, conventional drilling tools in a separate red box, used for concrete, granite, and stone. It ensures more efficient removal of dust and debris thanks to its circular spiral geometry. [Application]: Suitable for drilling concrete, tile, stone, wood, aluminum, plastic, and multi-layered materials / compatible with all drill bits with an SDS-Plus shank, such as Bosch, Makita, Hilti, Einhell, Kress, and Dewalt. (The SDS Plus drill bit only applies to standard SDS Plus, not applicable to SDS Max)