Pieces 681012mm Diamond Tile and Glass Drill Bit Set, Hex Shank Diamond Drill Bits for Ceramic, Granite, Glass, Porcelain, Tile, Stoneware

General descriptionPremium quality diamond drill bit set featuring vacuum-brazed diamond technology for high efficiency, faster cuts, and longer life. This set is filled with cooling wax, making it suitable for dry drilling, and is ideal for a wide range of materials including glass, tile, hard ceramic tiles, porcelain, granite, marble, quartz, limestone, fiberglass, terrazzo, and masonry.Technical specificationsDrill Bit Diameters: Ø6 mm, Ø8 mm, Ø10 mm, Ø12 mmHex Shank: 6.35 mmOverall Drill Length: 66-80 mmInstallationUse the supplied carbide tipped drill bit to create an initial notch.Position the diamond drill bit at an angle of approximately 45° to the starting notch and drill carefully.Once the notch is deeper, place the machine and diamond bit in a vertical position.Move the drill lightly in a circular motion to remove dust and dirt from the hole.Stop drilling and periodically cool the diamond bit and the material.Repeat the previous steps until the drilling is complete.Always clean the diamond bit after completing drilling and remove all residues before using it again.UsageFor best results, use water when drilling granite.Cordless screwdrivers should operate at a minimum speed of 1600 rpm.For electric drills, a higher speed of 2000-3000 rpm is recommended.Using low-power, low-speed machines may reduce efficiency.Other informationPackage includes 4 diamond drill bits.