Set of 7 tungsten carbide masonry drill bits, multi-material drill bits, triangular drill bits for metal, suitable for ceramic tiles, concrete, bricks, glass, plastics, etc.

[7 Sizes] The drill bits are available in 7 different sizes: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, and 12 mm. These glass drill bits are ideal for various drilling operations, offering high precision and compatibility with electric drills. [High-Quality Materials] Made of high-quality carbide, these drill bits combine low resistance with high hardness, improving work efficiency and offering a longer lifespan than ordinary steel drill bits. [U-Shaped Triangular Handle] The smooth, flat U-shaped spiral groove ensures smoother drilling. The triangular handle provides a more secure grip and prevents slippage. [Striking Tip] This high-strength carbide drill bit is sharp, easy to position, allows for stable and fast drilling without over-extending, and produces a clean and precise opening. [Wide Applications] This drill bit is suitable for drilling various materials such as ceramic tiles, concrete, bricks, wood, plastic, glass, and masonry. It is widely used in interior decorating, DIY projects, and other applications. Quantity supplied: 7 drill bits