Trend SNAPGD8MM 8mm Glass Drill BitThis Trend Snappy TCT drill bit is designed for use with quick chucks and power drills. It is suitable for drilling into glass, porcelain, tile, and mirrors. Not suitable for toughened glass.Features For use on glass, porcelain, tile and mirrors Not for use on toughened glass A coolant must be used TCT construction for extra long life and durabilitySpecifications Brand: Trend MPN: SNAPGD8MM EAN: 5027654527160 Diameter: 8 mm Shank Diameter: 1/4 inch hex