ColumPRO Porcelain Tile Drill Bits Set, 6/8/10/12mm Dry Diamond Drill Bit and 6mm Hex Shank Drill Bit for Granite, Ceramic, Marble Stone

Dry Drilling- The drill bits have built-in cooling wax in the front and back, making them suitable for dry drilling. No water cooling is required, avoiding the trouble of overheating the drill bit.

High Quality- Our versatile diamond sand 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.

Multiple Size Options- This set includes 6mm/8mm/10mm/12mm diamond drill bits and two 6mm hex shank drill bits, a total of 6 pieces for convenient drilling without any hassle of missing pieces.

For Various Materials- The diamond sand drill bits are designed for places where ordinary glass drill bits reach their limits. Our porcelain drill bits are suitable for use as ceramic tile drill bits, granite drill bits, ceramic drill bits, or glass drill bits.

Impressive Quality- Our mission is to provide customers with the best porcelain drills. Our goal is to enrich your life with our products.