China DTH Drilling Bit for Mining Oil Field DTH Hammer Bit, Find details about China DTH Drilling Bit, Drilling Bit from DTH Drilling Bit for Mining Oil Field DTH Hammer Bit
Specification of dth hammer button bits: | Diameter: (mm) |
1-2 inch low pressure DTH bits | 64/70/76/80/82/90 |
3 inch high Air pressure DHT bits | 85 / 90 / 95 / 100 / 105 |
4 inch high Air pressure DHT bits | 105 / 110 / 115 / 120 / 127 |
5 inch high Air pressure DHT bits | 133 / 140 / 146 / 152 / 165 |
6 inch high Air pressure DHT bits | 152 / 165 / 178 / 190 / 203 |
8 inch high Air pressure DHT bits | 195 / 203 / 216 / 254 / 305 |
10, 12 inch high Air pressure DTH bits | 254/305/318/330/356/381 |