Three Wing Drill Bits for Water Well Drilling
- Size: 75-444mm
- Blades Qty:3 or 4
- Shape:V(chevron) type, flat type, step type
Application
Three wing drill bit is suitable for drilling extremely soft, soft, medium hard formations. With advanced cutting and line cutting functions, the three wing drill bit is widely used in geological exploration, water wells, coal fields, subway and other fields.
TECHNICAL DATA
| Size |
Blades Qty |
Shape |
|
| mm |
inch |
||
| 75 |
2 15/16 |
3 |
V(chevron) type, flat type, step type |
| 89 |
3 1/2 |
3 |
V(chevron) type, flat type, step type |
| 118 |
4 5/8 |
3 or 4 |
V(chevron) type, flat type, step type |
| 149 |
5 7/8 |
3 or 4 |
V(chevron) type, flat type, step type |
| 158 |
6 1/4 |
3 or 4 |
V(chevron) type, flat type, step type |
| 171 |
6 7/8 |
3 or 4 |
V(chevron) type, flat type, step type |
| 200 |
7 7/8 |
3 or 4 |
V(chevron) type, flat type, step type |
| 216 |
8 1/2 |
3 or 4 |
V(chevron) type, flat type, step type |
| 251 |
9 7/8 |
3 or 4 |
V(chevron) type, flat type, step type |
| 311 |
12 1/4 |
3 or 4 |
V(chevron) type, flat type, step type |
| 403 |
15 |
3 or 4 |
V(chevron) type, flat type, step type |
| 444 |
17 1/2 |
3 or 4 |
V(chevron) type, flat type, step type |
