- 60mm
- Rustless & Durable: Made of high strength carbon steel with smooth nickel plating surface to extend the service life.
- Quick, Sharp & Smooth Cut: Coated with high quality Diamond sharp, high precision and smooth cut with no broken edges fast
- Suitable for drilling Glass, Tile Bottles, Blocks Jars, Fiberglass, Porcelain, Tile, Ceramic, Slate Mable, Granite, Light Stone
- Not for use on Concrete or for depths beyond about 1/2′′
- Attention: Please keep the speed in 800-1000 per minute, keep adding water to keep the drill cool