Porcelain Tile Diamond Drill Bits – Dry Diamond Hole Saw Set for Ceramic Marble Granite Stone,Diamond Core Drill Bit Kit Quick Change Shank Fixed on Drills,No.K7Hot on Sale

【Package Includes】4 pieces dry diamond drill bits: 3pcs 1/4 inch(6mm), 1pc 5/16 inch(8mm),and 1pc 6mm Carbide Drill Bit Quick Change Shank

【Wax Inserted】Each dry diamond bit is embedded with wax that will melt during dry drilling to cool the cutting surface; Water can act as additional cooling to prolong the worklife of bit.

The Porcelain Tile Diamond Drill Bits – Dry Diamond Hole Saw Set for Ceramic Marble Granite Stone,Diamond Core Drill Bit Kit Quick Change Shank Fixed on Drills,No.K7 is made from 100% polyester which stands up well to wear and tear. This is the perfect way to show your support for the Porcelain Tile Diamond Drill Bits – Dry Diamond Hole Saw Set for Ceramic Marble Granite Stone,Diamond Core Drill Bit Kit Quick Change Shank Fixed on Drills,No.K7.

【Upgraded Design】High-quality diamond particles contribute to high efficiency and faster drilling speed; Design of spiral groove at the top of bit helps remove debris.

The Porcelain Tile Diamond Drill Bits – Dry Diamond Hole Saw Set for Ceramic Marble Granite Stone,Diamond Core Drill Bit Kit Quick Change Shank Fixed on Drills,No.K7 is made from 100% polyester which stands up well to wear and tear. This is the perfect way to show your support for the Porcelain Tile Diamond Drill Bits – Dry Diamond Hole Saw Set for Ceramic Marble Granite Stone,Diamond Core Drill Bit Kit Quick Change Shank Fixed on Drills,No.K7.

【Multiple Application】Dry drilling for Granite, Tile, Ceramic, Marble, Stone, Glass, Porcelain, Masonry, etc.6mm carbide drill for pre-drilling precise holes

【Wide Compatibility】They can be used with hand drills, bench drills and most other machines. Notice: If using Hammer Drill,please shut off Hammer Mode,Recommended 2000-5000RPM,MAX RPM 5000