Trend Snappy Glass Drill - 6mm Diameter Perfect for drilling through glass, porcelain, ceramic tiles and mirrors. (Not suitable for toughened glass) Drills 6mm diameter holes allowing fixings to be inserted without cracking or breaking the fixture. Used on a low speed drill with minimal pressure to engage the workpiece without slipping, the cutter leaves clean, smooth holes. Used with a coolant to aid cutting performance and prevent damage to the workpiece. High quality TCT (Tungsten Carbide Tipped) bit for durable, quick and clean performance across all materials. Specifications • Shank Diameter: 1/4 hexmm • Dia Metric: 6