5 Pcs Glass Tile Drill Bit, Ceramic Tile Drill Bit, Diamond Drill Bit, Tile Drill Bit, 6mm, 8mm, 10mm, 12mm Multi-Material Drill Bits for Ceramic, Concrete, Tile, Brick, Glass, Plastic and Wood Drill Bit Size: 5 Extra Long Triangular Drill Bits in the set: 2 x 6mm, 1 x 8mm, 1 x 10mm, 1 x 12mm. Excellent Drill Bit: Double-edged blade helps to remove waste effectively and the 3-shank flat shank can firmly and stably fix the drill bit in the electric drill. Wide range of uses: This drill bit can help you drill easily, not only for wood, plastic, glazed tiles, antique tiles, concrete, ceramics, ceramic tiles, bubble tiles, red tiles, but also for iron, copper, and aluminum alloy materials. There is no need to add water during the drilling process, which solves all drilling problems for you. Wear-resistant, practical, and durable: When used correctly, these drill bits will provide you with a clean and precise hole so you can install them safely. The professional carbide tip is designed to quickly penetrate the hardest materials. Safe shopping: If you have any quality problems with our products, please contact us, we are willing to give you a full refund. Buy with confidence! ! !