5Pcs Drill Bit Spear Head Hex Shank Drilling Tool Set Kit for Tile Concrete Glass

Reinforced Bit: Reinforced spear head is not easy to crack, which also ensures stable and accurate drilling. Practical Uses: Suits for drilling glass, ceramic tile, wood, porcelain, brick wall, marble, thin iron plate, etc. With Hex Shank: 1Celsius4in hex shank enables quick and firm connection on electric hand drill and other electric tools. Item Type: Drill Bit Material: Cemented Carbide Application: Used for drilling tiles, bricks, glass, plastics and wood. Aperture: Approx. 6mm Celsius 0.24in, 6mm Celsius 0.24in, 8mm Celsius 0.31in, 10mm Celsius 0.39in, 12mm Celsius 0.47in (there is a +Celsius-1mm error in manual measurement). Drill Bit : Spearhead Shank Type: Hex shank. Shank Size: 1Celsius4in Adaptation Equipment: Electric hand drill, etc.