Specification Brand : Qivine BulletPoint1 : High Quality: Each drill bit is coated with a layer of titanium to increase strength and heat resistance, ensuring long-lasting sharpness and a longer service life BulletPoint2 : Improved Efficiency: New 4-Flute Eccentric Serrated Drill Bits allows you to drill and tap in one step, reduced resistance and better precision greatly improving the efficiency of your project and is more wear resistant BulletPoint3 : Comprehensive Choice of Sizes: Available in a wide range of sizes, this set of drill bits provides the perfect drill for the job, no matter how big or small, ensuring you have the right tool for the job BulletPoint4 : Unique Design: Unique thread design ensures clean and smooth threading without the need for additional tools, improving work quality BulletPoint5 : Widely Used: Our masonry drill bits, ideal for drilling fastner holes in bathroom tiles, ceramic drill bits for pots, or wall mirrors, can easily drill holes on tile, concrete, brick, glass, ceramic, wood, and reduces breakout, please cooling with water and control the speed when drilling Color : Golden ExternallyAssignedProductIdentifier : 3056559185764 IncludedComponents : 7 x Concrete Drill Bits ItemName : Qivine 7-Pack Concrete Drill Bit Sets, 1/8 to 1/2 inch Professional Masonry Drill Bit Sets with Heavy-Duty Industrial Strength for Glass Brick Plastic Cement Wood Tile (Golden) ItemPackageDimensions_Height : 0.87 inches ItemPackageDimensions_Length : 5.91 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : masonry-drill-bit-sets Manufacturer : Qivine Material : Carbide ModelName : Jauartad16f7uct02 ModelNumber : Concrete Drill Bit NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Qivine-GST4222 ProductDescription : Features 1. Keeping the hardness and sharpness longer than traditional steel bits can easily puncture various materials. 2. The concrete drill bit has special U groove drill design chip removal smoothly improve drilling efficiency. 3. Suitable for Drilling of Brick Wall, Concrete, Wood, Tile, Soft, Metals, Ceramic, Flowerpot, Etc 4. Easy to use and suitable for both professional use and DIY projects. 5. It's recommended to use water to avoid damaging the drilling head.