Hole Saw Set, 9-Piece Tool Set, Tile Drill Bit, Core Drill Bit - φ22, 28, 35, 44, 68, 73mm

High quality: This drill bit set is made from high-quality alloy steel and diamond metal. With sharp drill bits, drilling becomes convenient and easy. Durability: With a diamond dust coating, it offers superior cutting performance and resistance, extending its lifespan. These diamond drill bits are excellent for making clean and precise holes. Drill bits in 6 sizes: The drill bit set contains 6 different drill bits, two pilot drill bits, and a hex key, meeting your needs for various hole sizes. Perfect versatility: This drill bit set is versatile. Whether it's ceramic, tile, clinker, brick, plasterboard, concrete, or cement – the 6 different drill bits are suitable for all these materials. Low resistance: Low cutting resistance, fast opening speed, and easy chip removal help with precise drilling.