10-Piece Tungsten Carbide Masonry Drill Bit Set for Metal, Steel, Ceramic Tile, Porcelain, Concrete, Brick, Plastic, and Wood - 6/8/10/12mm

PREMIUM MATERIAL: The drill bits are made of high-quality tungsten carbide and are harder than ordinary triangular drill bits on the market.
DURABLE DRILL BITS: The reinforced tip allows the drill to be used dozens of times. When using it for drilling, water for lubrication is recommended.
WIDE APPLICATION: Particularly suitable for metal due to its superior hardness. Also suitable for ceramic tiles, wood, ceramic, stone, concrete, brick, marble, glass, etc.
TRIANGLE SHANK: The triangular shank, which fits most drills, provides a better grip on the electric drill to prevent wobbling and slipping.
ASSORTED SIZE: 10-piece drill bit set with 4 different sizes: 4 x 6mm (1/4"), 2 x 8mm (5/16"), 2 x 10mm (3/8"), 2 x 12mm (1/2"). Various sizes for different uses to help you complete various daily tasks.