1. The glass hole opener of brazing process has longer product life than the glass hole opener of electroplating process.

2. The glass hole opener of brazing process has better sharpness than the glass hole opener of electroplating process

3. The glass hole opener of the brazing process is more easy to use than the glass hole opener of the plating process. After taking the hole, it is more easy to take the core of the bit

4. The color of the glass hole opener in the plating process is bright silver, while the color of the glass hole opener in the brazing process is more beautiful white silver

5. The brazed glass hole opener can also be a small amount of drilling without adding water

6. The performance of glass hole opener in brazing process is much higher than that of glass hole opener in plating process

7. The drilling speed is fast and the work is smooth