Vacuum Brazed Diamond Drill&Chamfer Bit withLightning Teeth for Ceramic/Porcelain/Stone

The Vacuum Brazed Diamond Drill & Chamfer Bit with Lightning Teeth is a versatile tool designed for ceramic, porcelain, and stone, integrating drilling and 45-degree chamfering into a single, efficient operation. Its unique lightning teeth design ensures excellent heat dissipation during use. Available in diameters of 20mm, 25mm, 35mm, 40mm, 43mm, 51mm, and 65mm, all models feature a consistent diamond height of 7mm and a total length of 65mm, with thread options of M14 or 5/8″-11.