
[9PCS Drill Bit Set]: 5mm. 6mm. 6mm.8mm. 8mm.10mm.12mm.14mm.16mm * 160mm, the drilling depth is 100mm. With this, you can drill all common dowel holes. (For your machine and personal safety, the three-claw hammer drill is not recommended) [Carbide Drill Bit]: The drill bit set is made of high-quality hard alloy steel, durable and rust-resistant. The carbide drill bits carbide tips are harder, stronger and more capable of withstanding extreme loads; high-density drilling and rapid waste removal [X-SHAPED HEAD]: It has an innovative X-shaped geometric shape and a unique cross-flute design, which can achieve the best disassembly and ease of use. The fully hardened drill bit with double-edged spiral can effectively remove waste. [X-SHAPED SHANK ... [2 HOLES]: 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 the circular spiral geometry. [Application]: