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The high air pressure DTH (Down-The-Hole) hammer is a specialized percussive drilling tool designed for rock formation. Driven by compressed air, it utilizes a reciprocating piston to generate high-impact energy, ensuring efficient drilling in mining, quarrying, and construction projects. Designed for perfect unison with drill bits, it provides high penetration rates and extended service life at low operational costs.
| Type | Model | Length (mm) | Weight (kg) | External Dia. (mm) | Hole Range (mm) |
|---|---|---|---|---|---|
| 3.5 inch | DHD3.5 | 930 | 25 | Φ82 | Φ90-110 |
| 4 inch | DHD340 | 1030 | 39 | Φ99 | Φ110-135 |
| 5 inch | DHD350 | 1214 | 76.5 | Φ125 | Φ135-155 |
| 6 inch | DHD360 | 1248 | 100 | Φ142 | Φ155-190 |
| 8 inch | D85 | 1492 | 188 | Φ180 | Φ195-254 |
| 10 inch | SD10 | 1502 | 290 | Φ226 | Φ254-311 |







