JUGCUT 5Pcs 6mm Porcelain Tile Diamond Drill Bits with Hex Shank, Dry Porcelain Tile Drill Bit for Ceramic Stone Granite Marble Quartz Hard Materials

• 【Size】Totally 5pcs/set, diameter 6mm, total length 65mm, diamond height 10mm, quick-fit Hex Shank, no more replacement worries.
• 【High Quality】 Our versatile diamond drill bit set prevents the drill bits from breaking and provides a longer lifespan. They are sturdy and durable, making it easier to penetrate the hard glaze of ceramics.
• 【Cooling Wax】The inside of drill bits are filled with cooling wax, help heat dissipation and chip evacuation. Dry drilling without water, very convenient.
• 【Recommended Machine】Suitable for Hand Drill, Cordless Drill, Bench Drill. Recommended RPM: 2000-5000. The faster the speed, the longer the service life. Do not use impact mode.
• 【Application】Diamond drill bit sets are designed for working with such materials as stone, granite, marble, porcelain, ceramic & hard tile(not applicable to wood). Core tile drill bits are intended for both industrial use under hard working conditions and domestic use.

Note: 1.45 degree slight inclination, the smaller the force, the less likely to slip. 2.Drill the hole slowly and vertically, rock the hole while drilling to remove the debris faster and increase the drilling speed.