4-inch DTH hammers find widespread use across industries such as mining, construction, geothermal drilling, and water well drilling.
These versatile tools are adept at efficiently creating blast holes in mining operations, foundation and utility holes in construction projects, geothermal boreholes for energy extraction, and water wells for essential resource access. Their adaptability and efficiency make them valuable instruments in various drilling applications, offering reliable performance in diverse geological conditions.
| Replacement Parts | Item Description | Weight Kg |
|---|---|
| 1. Top Sub (Back Head) | 6.50 |
| 2. “O” Ring of Top Sub | 0.01 |
| 3. Check Valve (Stop Valve) | 0.35 |
| 4. Spring | 0.05 |
| 5. Compression Buffer | 1.50 |
| 6. Control Tube (Air Distributor) | 2.10 |
| 7. Internal Cylinder (Internal Sleeve) | 8.50 |
| 8. Piston | 15.2 |
| 9. External Cylinder (Outer Sleeve) | 1.80 |
| 10. “O” Ring of Stop Ring | 0.005 |
| 11. Half Moons and Bit Retaing Ring (Stop Ring) | 0.20 |
| 12. Chuck Nut (Drive Chuck) | 3.20 |
| 13. Drill Bit | --- |
| TECHNICAL DATA | |
|---|---|
| Length (Without Bit) | 1070mm |
| Weight (Without Bit) | 40Kg |
| External Diameter | Ø99mm |
| Bit Shank | Q140 (Remove Foot Valve) |
| Hole Range | Ø110-Ø130 |
| Connection Thread | API 2 3/8” Reg |
| Working Pressure | 1.0-2.5Mpa |
| Recommeded Rotation Speed | 25-40r/min |
| ADVANTAGES |
|---|
| High performance in hard and soft formations |
| Spares and services locally available |
| Faster drilling speed and lower air consumption |
| Fewer internal parts |
| All parts heat treated |
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