This set of 6 glass and tile drill bits includes 3 x 6 mm, 8 mm, 10 mm and 12 mm bits. It is suitable for drilling materials such as tile, glass, brick, marble, mirror

Unique Design – This ceramic drill bit features a double-threaded U-groove for a smooth, flat surface and efficient chip removal. A three-angle handle adjustment ensures greater drill stability and prevents slippage. Performance – This glass drill bit is made of high-strength, low-impact alloy. Its fully ground surface makes it rust-resistant and highly durable. Versatile Applications – This ceramic drill bit can be mounted on hand drills, drill bits, and electric drills. It can drill glass, ceramics, plastics, wood, precious metals, jade, shells, and many other materials. Precautions – When drilling with this ceramic drill bit, start slowly and gradually increase the speed; do not apply excessive force. To drill hard materials, add water to the drill bit to cool it and prevent overheating and damage from prolonged use. Set of 6 glass drill bits in 4 different sizes: 3 x 6mm, 1 x 8mm, 1 x 10mm, and 1 x 12mm. Various sizes to meet all your needs. Note: Due to factors such as your screen's background and settings, the image may slightly differ from the actual product. The final color is that of the product received.