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

[9 Piece Drill Bit Set]: 5mm, 6mm, 6mm, 8mm, 8mm, 10mm, 12mm, 14mm, 16mm x 160mm, drilling depth: 100mm. This allows you to drill all common dowel holes. (For safety reasons for you and your machine, the use of the three claw hammer drill is not recommended.)
[Carbide Drill Bits]: The drill bit set is made of high quality hard alloy steel, durable and rust resistant. Carbide tipped drill bits are harder, stronger, and can handle extreme loads better. High-density drilling and rapid waste removal.
[X-head]: It features an innovative X-shaped geometric shape and a unique cross-groove design, allowing optimal disassembly and easy operation.Fully hardened drill bit with double helical cutting edge for efficient debris removal.
[2 HOLE SHANK]: Double hole drill bit with round handle, conventional drilling tools in a separate red case, for concrete, granite and stone. Its circular helical geometry ensures more efficient removal of dust and dirt.
[Application]: Suitable for drilling concrete, tiles, stone, wood, aluminum, plastic, concrete and multi-layer materials. Compatible with all SDS Plus shank drills, such as Bosch, Makita, Hilti, Einhell, Kress and Dewalt. There are many references. (The SDS Plus drill bit is only compatible with standard SDS Plus models, not SDS MAX models.)