6 Pcs Multifunction Ceramic Tile Drill Bit Set for Concrete Glass Block Cement Plastic Wood Tile Tungsten Carbide Size 6 6 6 8 10 12mm : ▪ Made of YG6X carbide, heat resistant. Wear-resistant, durable. ▪ Drill exactly where you want it. You want to. You don’t have to worry about slipping. Double flute helps remove flakes and debris better and create a clean and smooth hole. ▪ Diameter 6mm, 8mm, 10mm, 12mm, which can meet your most home and industrial needs. Specification: Color: Gold Material: YG6X Carbide Diameter: 6mm/8mm/10mm/12mm Drilling Range: Tile, Wood, Plastic, Glass Brick, Iron Iron, shells, etc. Scope of delivery: 3 pieces 6 mm tile drill 1 piece 8 mm tile drill 1 piece 10 mm tile drill 1 piece 12 mm tile drill Please note: When the drill works for a long time, the temperature is higher than 1000°C, so you should use water to cool it when using, which can improve the drilling performance of the drill.