The CorePlus 20mm Diamond Tile Drill Bit delivers professional, fast, and clean cutting on porcelain and ceramic tiles. This 20mm size is perfectly suited for larger waste pipe holes, substantial fixture installations, and electrical box penetrations, making it indispensable for commercial and residential tiling projects. Engineered with leading-edge vacuum brazing technology, this bit ensures the diamonds stay securely bonded for an extremely long life. It uses premium-grade, braze-bonded diamonds designed to cut through the hardest porcelain and ceramic materials with exceptional precision. The 20mm bit features easy start operation with no drill guide required, while requiring only minimal water cooling rather than a continuous water feed. Core waste material auto-ejects to allow continuous hole cutting without interruption. Fitted with a Tri-Flat shank, it provides excellent performance on cordless drills. Features and Benefits: • 20mm diameter ideal for larger waste pipes and substantial fittings • Vacuum brazing technology for exceptional diamond retention • Tri-Flat shank ensures superior grip and drilling performance • Auto-ejecting core waste for continuous, efficient operation • Minimal water cooling required for convenient on-site use Specifications: Diameter (mm): 20