Pieces Tungsten Carbide Masonry Drill Bits, Multi-Material Triangle Metal Drill Bits for Tile, Concrete, Brick, Glass, Plastic, Marble, Mirror, Wood, Diamond (3/4/5/6/8/10/12mm)

【7 Sizes】This drill bit set includes 7 different sizes: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, and 12mm. These glass drill bits are perfectly suited for various drilling tasks, offering high drilling accuracy, and can be used with electric drills.

【High-Quality Materials】Made with high-quality steel heads. Cemented carbide, low resistance, high hardness, improves work efficiency and can maintain a longer cutting time than ordinary steel drill bits.

【U-Groove and Triangular Handle】The U-shaped spiral is smooth and flat, resulting in smoother drilling.

The triangular shank design ensures a tighter grip without slipping. 【Spear Tip Design】This robust tungsten carbide-tipped drill bit is sharp, easy to locate, stable, fast, never overshoots, and provides a clean, smooth opening. 【Widely Used】This drill bit set is suitable for drilling ceramic tiles, concrete, bricks, wood, plastics, glass, masonry, and other materials. It is widely used in home decoration, DIY projects, and other applications.