【APPLICATION】Using for dry or wet drilling, beveling, grinding, enlarging and shaping in Porcelain Ceramic Tile Marble Granite Stoneware Quartz Microcrystalline stone Artificial Stone.
【SPECIAL DESIGN】Cooling Wax, U-grooves Design and Inclined Angle. Help heat dissipation and chip evacuation. Higher efficiency and better performance.
【RECOMMENDED MACHINE】Triangle Shank drill bits suitable for any Hand Drill, Cordless Drill, Bench Drill. Recommended RPM: 2000-5000RPM. The faster the speed, the longer the service life.
【STORAGE】Portable Bag included. For easy carry and storage and protect of the diamond tools.