Set of 10 multi-purpose tungsten carbide hexagonal shank drill bits for porcelain tile, ceramic, mirrors, concrete, brick walls, glass

High Quality: The drill bit is made of professional steel alloy. High hardness, strong, and durable. It has good wear resistance and can be used longer than ordinary steel drill bits. The hexagonal shank allows for a stable grip and quick release in the electric drill.

Dimensions: Set of 10 drill bits with 7 different sizes: 1/8" (3 mm), 5/32" (4 mm), 3/16" (5 mm), 1/4" (6 mm), 5/16" (8 mm), 3/8" (10 mm), 1/2" (12 mm) to meet your various needs. The sharp, four-corner chamfer design allows for easy and stable positioning, faster drilling speed, better stability, low wobble, and high efficiency.

Application: Ideal for drilling ceramic tiles, glass, marble, and mirrors.

When drilling hard materials, please use water for lubrication; proper cooling can extend the life of the drill bit. Please try to keep the drill vertical and use water or coolant for lubrication while drilling. Do not use these drill bits for drilling hard tiles. Tungsten carbide tip: The bit features a tungsten carbide tip for increased efficiency and extended lifespan. Professional quality steel alloy – Smooth and precise drilling in ceramic tiles, marble, mirrors, glass, aluminum, concrete, and wood. For DIY enthusiasts and home decorators, this is also an essential tool for drilling glass and other hard and brittle work surfaces.