Three-Wing Concave Water Well Grouting Holes Coreless Drill Bit
Three-wing concave bit · 1.8 kg
Three-wing concave coreless drill bit for water-well drilling and exploration. It has a forged construction.
Model designations include 75#, 91#, 113#, 153#, 171#, 200# and 220#.
Technical specifications
| Model designations | 75# / 91# / 113# / 153# / 171# / 200# / 220# |
|---|---|
| Manufacturing process | Forging |
| Applications | Water-well drilling and exploration |