Sharp cutting edge without chatter. Staggered cutting teeth ensure smooth and clean drilled holes. Style: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Material: Carbide Compatible equipment: Lithium electric drill, hand drill, bench drill Specification: Color: Black USES: Glass ceramics, vitrified tiles, ceramic tiles, brick walls, wood, plastics Compatible equipment: Lithium electric drill, hand drill, bench drill Features: U-shaped drill design, screw handles increase cutting speed and prevent slippage. They also remove flakes and debris easily, providing you with clean and smooth. The surface is coated with electrophoretic paint to prevent the bit from rusting. The hexagonal handle is designed to prevent slippage. Widely used, it can easily penetrate various materials such as tiles, glass, hard plastic, Cement concrete, travertine, brick walls, wood and can reduce cracking.