Quantity:2 Size:6mm ================= Description ============= ======= PRODUCT NAME: Quality Vacuum Brazed Drill Bit Cores professional M14 Thread diameter 6MM QUANTITY: 2pcs SPECIFICATION: Diameter 6mm, total length 60mm, diamond height 10mm, thread M14 (very thick) s important for fixing on your machine) FEATURES: Drilling with dry or wet Wide application for drilling ceramic tiles, marble stone, granite... Vacuum brazing technology offers a much longer service life than electrodes restable (typically 3-5 times) Less chipping, reduced breakage, reduced heat generation, better quality The high rate of finishing of diamond exposure allows faster and more aggressive drilling. Save your money and time Attention: Our product price only includes the product value and shipping cost if the shipping cost is free, not including custom taxes/tariffs. Other diameters available: 6MM 8MM 10MM 12MM 14MM 16MM 20MM 25MM 28MM 30MM 35MM 40MM 45MM 50MM 55MM 65MM 68MM 75MM