Diamond Drill Bit Set - Dry Diamond Drill Bits with Vacuum Hole Saw for Vitrified Tiles, Granite, Polished Tiles & Quartz Stone - Perfect for Tile Installation, Bathroom Renovation & Stone Cutting Projects

About this item Upgraded version of the drill, direct dry drilling without adding water, instead of triangular drills and tile hole openers on the market. It is recommended to use an angle grinder (need to be equipped with an additional adapter), the speed of the angle grinder is tens of thousands. Suitable for all kinds of all‑ceramic tiles (vitrified tiles, polished tiles, glazed tiles, antique tiles, floor tiles, microcrystalline tiles), quartz stone, granite, ceramic tiles and other hard and brittle materials. Under reasonable operation, the average time of each hole is about 15‑20 seconds, so the hole is efficient and the service life is stable. The head is brazed with emery, and the head is filled with secret cooling wax for cooling and lubrication.

Upgraded version of the drill, direct dry drilling without adding water, instead of triangular drills and tile hole openers on the market.

It is recommended to use an angle grinder (need to be equipped with an additional adapter), the speed of the angle grinder is tens of thousands.

Suitable for all kinds of all‑ceramic tiles (vitrified tiles, polished tiles, glazed tiles, antique tiles, floor tiles, microcrystalline tiles), quartz stone, granite, ceramic tiles and other hard and brittle materials.

Under reasonable operation, the average time of each hole is about 15‑20 seconds, so the hole is efficient and the service life is stable.

The head is brazed with emery, and the head is filled with secret cooling wax for cooling and lubrication.