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The high air pressure DTH hammer is a specialized down-the-hole tool designed for percussive drilling in rock formations. Known for its exceptional efficiency and high air pressure performance, it is the ideal choice for environments with abundant air supply.
| 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 |
| SD4 | 1084 | 40.5 | Φ99 | ||
| QL4 | 1097 | 41 | Φ99 | ||
| Mission40 | 1005 | 40 | Φ99 | ||
| 5 inch | DHD350 | 1214 | 76.5 | Φ125 | Φ135-155 |
| SD5 | 1175 | 72.5 | Φ125 | ||
| QL5 | 1147 | 73 | Φ125 | ||
| Mission50 | 1110 | 68.5 | Φ125 |
| Hammer Length (without bit) | 1154 mm |
| Top Sub Thread | API 2 3/8" REG PIN |
| Outside Diameter | 126 mm |
| Working Pressure | 10-25 Bar |
| Air Consumption | 9-15 m³/min |
| Bit Shank | QL50 |






Orders are securely packed in professional wooden cases to ensure safety during transit. We offer flexible shipping methods including Courier Express (DHL/UPS/TNT/FEDEX), Air Freight, and Sea Freight depending on the order volume.