General description Pointed design strong tungsten carbide tip can easily penetrate various materials including porcelain, ceramic tile, concrete, brick wall, glass, mirrors, plastic masonry, and wood. The U-type slot design facilitates fast drilling and dust removal, while the triangular handle design ensures more stable operation. This set includes drill bits in sizes 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, and 12mm. Technical specifications Material: Tungsten carbide Sizes: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Measurement allowed error: +/- 1-3cm Usage When drilling hard materials such as glass, porcelain floor tile, or marble, it is recommended to use water for lubrication. Other information
