Concrete drill bits, 9-piece set (5 mm x 16 x 160 mm), tile drill bits, SDS-Plus impact drill bits, transverse impact drill bits, suitable for drilling concrete, brick,

【9-Piece Concrete Drill Bit Set】: 5 mm, 6 mm, 6 mm, 8 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm × 160 mm; drilling depth: 100 mm. This set allows you to drill all common tenon holes. (For safety reasons, the use of a three-jaw hammer drill is not recommended.) 【X-Shaped Drill Bits】X-shaped geometry and cross flute design for easy disassembly and use. Fully hardened drill bits with a double-flute helical design for efficient debris removal. 【Double Shank】Round shank, double-flute impact drill bits suitable for drilling concrete, granite, stone, and other common materials. The arc-shaped helical geometry removes dust and debris more effectively. [Carbide Drill Bits] This drill bit set is made of high-quality carbide steel, which is durable and rust-resistant. The tungsten carbide drill bits offer superior hardness and strength, and can withstand extreme loads. [Applications] Suitable for drilling concrete, ceramic tile, stone, wood, aluminum, plastics, and multi-layered materials.