1. Fast, smooth drilling and long life;
2.Competitive price
3. Superior performance and durability.
4. Grit:#30,#40,#50,as customer request

8.Support OEM

Advantages:
*For drilling granite, marble, ceramic, glass, etc. 
*Perfect safety, excellent fast, high efficiency and complicated shape
*Rather longer life than the electroplated tools.
*Various diamond grain and grade to meet various application-cutting, drilling, grinding.
*Environment friendly
*Special application and design are available upon request