Vacuum brazed diamond tile drill is filled with a lubricating wax. During drilling the leading edge of the wax melts and self cools the diamonds meaning there is no need to apply secondary coolant such as water.Self Cooling Diamond tile Drill Bit 7MM.

• Sizes available: 6, 7 or 10mm
• Drills at speeds between 800-200rpm
• Compatible with both cordless and corded drills