Set of 7 Tungsten Carbide Multi-Material Drill Bits for Porcelain, Ceramic, Concrete, Brick, Glass, Mirror, Masonry, Plastic, Wood (3–12 mm)

General Description This set of 7 multi-material tungsten carbide drill bits is designed for precise drilling of hard and brittle materials such as glass, ceramic, concrete, brick walls, marble, plastic, and wood. Made of thick tungsten carbide and treated with a rust-resistant coating, these drill bits offer a long service life and excellent performance. Technical Specifications Material: Tungsten Carbide Sizes: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm Color: Black Use These drill bits are easy to control and use, offering increased safety and reliability. They also improve the working environment thanks to their ergonomic design. Other information: U-shaped design for quick drilling and dust removal; Triangular handle for more stable operation. Note: All data is measured manually, please allow a 1-3 cm error. Due to differences in lighting and display, there may be some color difference from the actual item received.