A 12-inch DTH hammer is a powerful drilling tool commonly used in mining and construction, utilizing impactful hammering to drive the bit through rock and eliminate debris from the borehole.
Replacement Parts | Item Description | Weight Kg |
---|---|
1. Top Sub (Back Head) | 70.0 |
2. “O” Ring of Top Sub | 0.04 |
3. Breakout Ring Top Sub | 0.80 |
4. Check Valve (Stop Valve) | 2.00 |
5. Spring | 0.10 |
6. Control Tube (Air Distributor) | 16.0 |
7. Internal Cylinder (Internal Sleeve) | 25.0 |
8. Piston | 113.0 |
9. External Cylinder (Outer Sleeve) | 175.0 |
10. Bit Guide Bush (Guided Sleeve) | 25.0 |
11. “O” Ring of Stop Ring | 0.01 |
12. Half Moons and Bit Retaing Ring (Stop Ring) | 4.50 |
13. Guidance Package | 9.50 |
14. Breakout Ring of Drive Chuck | 0.80 |
15. Chuck Nut (Drive Chuck) | 48.0 |
16. Drill Bit | --- |
TECHNICAL DATA | |
---|---|
Length (Without Bit) | 1860mm |
Weight (Without Bit) | 480.00Kg |
External Diameter | Ø275mm |
Bit Shank | SD12 |
Hole Range | Ø305-Ø445 |
Connection Thread | API 6 5/8” Reg |
Working Pressure | 1.0-3.0Mpa |
Recommeded Rotation Speed | 15-25r/min |
ADVANTAGES |
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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 |
Available Hammers
2 Inch
3 Inch
4 Inch
5 Inch
6 Inch
8 Inch
10 Inch
12 Inch
24 Inch
2 Inch
3 Inch
4 Inch
5 Inch
6 Inch
8 Inch
10 Inch
12 Inch
24 Inch