Laser welding Sharp type reinforced concrete drill bit
The laser welding process of German Dr. Fritsch is adopted, which has high welding strength and is not easy to lose teeth.
High hardness tooth shape, Jindu patented formula, fast cutting and long service life
One piece seamless steel pipe, high-strength alloy steel, high concentricity, not easy to deform
| Diameter(mm) | Number segment | Tube thickness(mm) | Total length(mm) |
| 18 | 2 | 2 | 370/450 |
| 20 | 2 | 2 | 370/450 |
| 22 | 2 | 2 | 370/450 |
| 26 | 3 | 2 | 370/450 |
| 28 | 3 | 2 | 370/450 |
| 30 | 3 | 2 | 370/450 |
| 32 | 3 | 2 | 370/450 |
| 36 | 4 | 2 | 370/450 |
| 38 | 4 | 2 | 370/450 |
| 40 | 4 | 2 | 370/450 |
| 44 | 4 | 2 | 370/450 |
| 50 | 5 | 2 | 370/450 |
| 53 | 5 | 2 | 370/450 |
| 57 | 6 | 2 | 370/450 |
| 63 | 6 | 2 | 370/450 |
| 66 | 7 | 2 | 370/450 |
| 71 | 7 | 2 | 370/450 |
| 76 | 8 | 2 | 370/450 |
| 83 | 8 | 2 | 370/450 |
| 89 | 8 | 2 | 370/450 |
| 95 | 9 | 2.1 | 370/450 |
| 102 | 9 | 2.1 | 370/450 |
| 107 | 10 | 2.1 | 370/450 |
| 110 | 10 | 2.1 | 370/450 |
| 112 | 10 | 2.1 | 370/450 |
| 114 | 11 | 2.1 | 370/450 |
| 120 | 11 | 2.1 | 370/450 |
| 127 | 11 | 2.1 | 370/450 |
| 132 | 12 | 2.15 | 370/450 |
| 150 | 12 | 2.15 | 370/450 |
| 159 | 13 | 2.25 | 370/450 |
| 166 | 13 | 2.3 | 370/450 |
| 180 | 13 | 2.4 | 370/450 |
| 202 | 15 | 2.4 | 370/450 |
| 220 | 16 | 2.6 | 370/450 |
| 244 | 17 | 2.6 | 370/450 |
| 254 | 17 | 2.6 | 370/450 |
| 274 | 18 | 2.8 | 370/450 |
| 300 | 20 | 2.8 | 370/450 |
| Diameter(mm) | Number segment | Tube thickness(mm) | Total length(mm) |
| 18 | 2 | 2 | 370/450 |
| 20 | 2 | 2 | 370/450 |
| 22 | 2 | 2 | 370/450 |
| 26 | 3 | 2 | 370/450 |
| 28 | 3 | 2 | 370/450 |
| 30 | 3 | 2 | 370/450 |
| 32 | 3 | 2 | 370/450 |
| 36 | 4 | 2 | 370/450 |
| 38 | 4 | 2 | 370/450 |
| 40 | 4 | 2 | 370/450 |
| 44 | 4 | 2 | 370/450 |
| 50 | 5 | 2 | 370/450 |
| 53 | 5 | 2 | 370/450 |
| 57 | 6 | 2 | 370/450 |
| 63 | 6 | 2 | 370/450 |
| 66 | 7 | 2 | 370/450 |
| 71 | 7 | 2 | 370/450 |
| 76 | 8 | 2 | 370/450 |
| 83 | 8 | 2 | 370/450 |
| 89 | 8 | 2 | 370/450 |
| 95 | 9 | 2.1 | 370/450 |
| 102 | 9 | 2.1 | 370/450 |
| 107 | 10 | 2.1 | 370/450 |
| 110 | 10 | 2.1 | 370/450 |
| 112 | 10 | 2.1 | 370/450 |
| 114 | 11 | 2.1 | 370/450 |
| 120 | 11 | 2.1 | 370/450 |
| 127 | 11 | 2.1 | 370/450 |
| 132 | 12 | 2.15 | 370/450 |
| 150 | 12 | 2.15 | 370/450 |
| 159 | 13 | 2.25 | 370/450 |
| 166 | 13 | 2.3 | 370/450 |
| 180 | 13 | 2.4 | 370/450 |
| 202 | 15 | 2.4 | 370/450 |
| 220 | 16 | 2.6 | 370/450 |
| 244 | 17 | 2.6 | 370/450 |
| 254 | 17 | 2.6 | 370/450 |
| 274 | 18 | 2.8 | 370/450 |
| 300 | 20 | 2.8 | 370/450 |