Laser welding Wet and Dry drill bit
The laser welding process of German Dr.Fritsch is adopted.
which has high welding strength and is not easy to lose teeth.
The side chip discharge groove can discharge ash smoothly.
And it is not easy to get stuck,so it can keep cooling.
| Diameter(mm) | Number of teeth | Total length(mm) | Interface |
| 63 | 5 | 400/450/500 | 11/4"-7UNC |
| 76 | 6 | 400/450/500 | 11/4"-7UNC |
| 83 | 7 | 400/450/500 | 11/4"-7UNC |
| Diameter(mm) | Number of teeth | Total length(mm) | Interface |
| 63 | 5 | 400/450/500 | 11/4"-7UNC |
| 76 | 6 | 400/450/500 | 11/4"-7UNC |
| 83 | 7 | 400/450/500 | 11/4"-7UNC |