LEPEVNEY 3mm Tungsten Tile Drill Bits Carbide Drill Bit Glass Ceramic Cement Flat Spear Head Tipped Spear Cutter, 1/4" 6.35mm Hex Shank, 10 Pcs - HJFH267902

• Tungsten carbide tipped cutter and titanium coated drill bit body, built for faster penetrating, prolonged life and heavy-duty use. Spear point carbide for fast cutting speed and extra cutting life. Spear-shaped design will effectively reduce breakout. Hex shank allows for stable holing and quick release in power drill. Small cutting resistance, improves trepanning speed. Ideal for glass bits, ceramics, wood, metal, plastic, tile, cement and other hard or fragile materials. These masonry drill bits are used for drilling tile, terracotta, concrete, cement, ceramic brick, glass, plastic, cinderblock, wood and more. Please try to keep the drill vertical and use water or coolant for lubrication when drilling. Don't use these bits to drill hard tile. Size: 3mm Diameter. Shank Diameter: 6.35mm, 1/4" Hex Shank. Total Length: 68mm. Usage: Masonry Drilling. Head type: cross spear head, flat spear head. Bit type: tile & glass drill. Package included: 10 x drill bit, comes in a plastic case for easy storage and transportation