10 Best Drill Bit For Hard Tiles 2025 in the United States

This 8-pack diamond drill bit set is designed specifically for drilling hard materials such as granite, ceramic, marble, and glass. The bits are made with diamond tips, which are essential for cutting through tough surfaces efficiently and with less wear compared to regular bits. The sizes included range from 3/16 inch up to 1/2 inch, covering a useful variety for common tile projects. One notable feature is the integrated wax lubricant inside each bit that melts during use, helping to cool the tip and reduce diamond loss, which supports durability especially during dry drilling. This cooling method means you don’t need extra water, which is handy for quick or indoor jobs, though users should still let the bit cool between holes to prevent overheating.

The round shank fits most electric drills and angle grinders, and the side flutes help remove debris faster, improving drilling speed and hole cleanliness. The bits come in a sturdy case for easy storage. On the downside, dry drilling can generate more dust and heat than wet drilling, so extra care is needed to avoid damage. Also, the set focuses on smaller to medium hole sizes, so it may not suit projects requiring larger core bits.

This set is well suited for DIYers or professionals needing reliable, versatile bits for hard tile and stone materials with the convenience of dry drilling.

The Rubi KIT Easy GRES Plus is a versatile and professional-grade diamond drill bit set, designed specifically for tough materials such as ceramic tiles, marble, granite, and glass. It includes seven different-sized bits (ranging from 3/4" to 3") that cater to a variety of drilling needs. The straight shank type and diamond finish ensure precise and clean cuts, significantly reducing the risk of cracks and damage to the materials you are working with.

The kit is highly durable owing to its high-quality diamond material, which makes it efficient and long-lasting even against the hardest surfaces. Additionally, the inclusion of a MULTIDRILL guide and a water cooling system helps to maintain smooth and accurate drilling, preventing overheating and extending the lifespan of the bits. Users have noted the ease of use with this set, making it suitable for both professionals and DIY enthusiasts.

Despite minor drawbacks such as the kit's price point and its hand-powered mechanism, which may be less convenient for large-scale projects, the Rubi KIT Easy GRES Plus stands out for its precision, durability, and comprehensive range of bits. It is an excellent choice for anyone working with hard tiles and similar materials.

The Bosch GT3000 8-Piece Glass and Tile Carbide Hammer Drill Bits Set is a robust option for drilling into hard tiles and glass. Made from high-quality carbide, these drill bits are designed to provide durability and prevent cracking, which is crucial for working with hard materials. The precision tip helps to avoid wandering or walking during drilling, ensuring accurate results. The diamond ground cutting edges contribute to a longer lifespan, making these bits a reliable choice for frequent use.

The set includes various sizes, making it versatile for different applications like bathroom and shower installations, mirror fastening, and more. The straight shank and black oxide finish enhance grip and reduce slippage, especially with larger bits. A key strength is the innovative geometry that allows for faster drilling.

This product is best suited for DIY enthusiasts and professionals who require precise, durable, and fast drilling capabilities in hard tile and glass materials.