A brief description of the DTH drilling bit.
A DTH drilling bit is, a hammer drilling bit, an air pneumatic drilling bit for drilling a water well borehole, and A DTH drilling bit is also used for drilling a stone blasting borehole on the stone. The DTH drilling is attached to a DTH hammer and it is performed as a hammerhead that percussion the rocks into small pieces. DTH drilling bit is divided into high pressure DTH drilling bit and low pressure DTH drilling bit, a buyer can choose according to their needs.
The features of the DTH drilling bit.
DTH Drilling bit is the tool cutting rocks into small pieces while drilling a water well borehole. DTH drilling bit is made of superior quality alloy steel. It is widely used for drilling a rock layer and it’s very efficient.
The specifications of the DTH drilling bit.
| Drilling bit size | Diameter(mm) | No. Air Holes |
| 3″ | 85~105 | 2 |
| 4″ | 105~127 | 2 |
| 5″ | 133~165 | 2 |
| 6“ | 152~203 | ∅152~175:2 ∅190~203:3 |
| 8″ | 195~305 | ∅195~203:3; ∅216:2; ∅254:3; ∅305:4 |