8 Inch DTH Hammers are robust drilling tools used in various drilling applications, particularly in mining, construction, and exploration industries. These hammers are designed to create boreholes by delivering high-frequency, high-impact blows to the drill bit.
Their efficient energy transfer mechanism makes them suitable for drilling into hard rock formations, making them crucial in tasks like well drilling, geotechnical drilling, and foundation piling. 8 Inch DTH Hammers are valued for their ability to provide deep and accurate boreholes in challenging terrains, contributing to improved drilling efficiency and productivity.
Replacement Parts | Item Description | Weight Kg |
---|---|
1. Top Sub (Back Head) | 41.0 |
2. “O” Ring of Top Sub | 0.02 |
3. Breakout Ring of Top Sub | 0.20 |
4. Check Valve (Stop Valve) | 1.50 |
5. Spring | 0.10 |
6. Compression Buffer (Rubber) | 0.42 |
7. Control Tube (Air Distributor) | 13.0 |
8. Internal Cylinder (Internal Sleeve) | 8.60 |
9. Piston | 41.00 |
10. External Cylinder (Outer Sleeve) | 75.2 |
11. “O” Ring of Stop Ring | 0.02 |
12. Half Moons and Bit Retaing Ring (Stop Ring) | 1.20 |
13. Chuck Nut (Drive Chuck) | 17.5 |
14. Drill Bit | --- |
TECHNICAL DATA | |
---|---|
Length (Without Bit) | 1492mm |
Weight (Without Bit) | 186.9Kg |
External Diameter | Ø185mm |
Bit Shank | Cop84 | DHD380 |
Hole Range | Ø195-Ø254 |
Connection Thread | API 4 1/2” Reg |
Working Pressure | 1.0-2.5Mpa |
Recommeded Rotation Speed | 20-30r/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