Engineered for precision, these diamond bits provide a quick and clean way to drill through dense, abrasive materials like glazed ceramic and rock-hard porcelain. The ultra-durable welded-diamond tip and reverse spiral threads allow for high-speed drilling with continuous water cooling to prevent overheating.

• Ultra-durable welded-diamond tip outperforms and outlasts conventional masonry bits
• Reverse spiral threads allow for continuous water cooling to enable higher drilling speeds without overheating
• Integrated core-ejection slot removes waste material, making it ideal for repetitive hole-boring tasks
• Perfect for kitchen and bath installers, as well as residential and commercial plumbers