Diamond Drilling Bit 5pcs Ceramic Granite Marble Core Bit Quick-fit Shank

Item: Vaccum Brazed Diamond drilling bits, Dry drilling for stone, masonry, ceramic/tile Quantity: 5pcs(Buy 5pcs, get 1pc free, actually get 6pcs Diamond Core Bit) Specification: Diameter 6mm, 8mm, 10mm, 12mm, 14 mm, Quick-fit  Shank,  diamond length 10mm Application: For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic..... Feature: 1. Wax inside for cooling, Dry drilling without water 2. Very high efficiency, multi-purpose drilling 3. Vacuum Brazed technology and high quality diamond grains provide high efficient working and long time performance 4. Alternatively place the drill at a 45 degree angle. Drill until the drill bit starts to penetrate the material and then bring the drill up into the upright position and continue. 5. Ensure all the forms of percussion or hammer action are turned off.