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Hammer and DTH Bits are available in various flushing hole configuration. In general, the rule is that Semispherical type DTH Hammer Bits design are applied to very hard rock. Ballistic type to medium hard and Conical type to soft rocks.
Quick details
| Product name | DTH hammer bit |
| Material | Steel and tungsten carbide buttons |
| Process | Forging |
| Application | Water well drilling |
| Rock formation |
Hard rocks and extrem hard rocks |
| Button shape |
Dome and parabolic buttons |
| Size |
105 110 115 127 133 140 152 165 175 190 203 |
| Bit type | High air pressure DTH bit |
| Hammer size |
COP32, BR3, COP34, XL3, HD55, SD5, QL50, M50, HD65, SD6, QL60, M60 |
| Packaging | Wooden box packaging, 1 piece is in one wooden box |
| Shipping | Samples are shipped by express, batch products are shipped by sea or by air |
| Delivery | 1-5 days for sample, 1-15 days for batch products |
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Specifications of DTH hammer bit
| Drill bit |
Bit diameter (mm) |
air hole No. |
Gauge buttons | Front buttons |
Weight (kg) |
Type |
| HD45(DHD340A, COP44) | 105 | 2 | 6×Φ14 | 5×Φ13 | 8.5 | HD45-105 |
| 110 | 2 | 7×Φ13 | 6×Φ13 | 8.8 | HD45-110 | |
| 115 | 2 | 7×Φ14 | 6×Φ13 | 9.0 | HD45-115 | |
| 120 | 2 | 8×Φ14 | 6×Φ14 | 9.0 | HD45-120 | |
| 127 | 2 | 8×Φ14 | 7×Φ14 | 11.0 | HD45-120 | |
| SD4 | 105 | 2 | 6×Φ14 | 5×Φ13 | 9.0 | SD4-105 |
| 110 | 2 | 7×Φ13 | 6×Φ13 | 9.5 | SD4-110 | |
| 115 | 2 | 7×Φ14 | 6×Φ13 | 9.5 | SD4-110 | |
| 120 | 2 | 8×Φ14 | 6×Φ14 | 11.5 | SD4-120 | |
| 127 | 2 | 8×Φ14 | 7×Φ14 | 12.3 | SD4-127 | |
| QL4 | 105 | 2 | 6×Φ14 | 5×Φ13 | 9.0 | QL4-105 |
| 110 | 2 | 7×Φ13 | 6×Φ13 | 9.2 | QL4-110 | |
| 115 | 2 | 7×Φ14 | 6×Φ13 | 9.5 | QL4-115 | |
| 120 | 2 | 8×Φ14 | 6×Φ14 | 10.3 | QL4-120 | |
| 127 | 2 | 8×Φ14 | 7×Φ14 | 11.5 | QL4-127 | |
| M40 | 105 | 2 | 6×Φ14 | 5×Φ13 | 6.0 | M40-105 |
| 110 | 2 | 7×Φ13 | 6×Φ13 | 6.2 | M40-110 | |
| 115 | 2 | 7×Φ14 | 8×Φ13 | 6.6 | M40-115 | |
| 120 | 2 | 8×Φ14 | 6×Φ14 | 7.0 | M40-120 | |
| 127 | 2 | 8×Φ14 | 7×Φ14 | 7.4 | M40-127 |
Packaging and shipping
