Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
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TH18 DTH Hammer With Shank TH18 Bit For Large Hole Foundation drilling
"Down The Hole" (DTH) hammers provide the most versatile and cost effective rock drilling method available to date.
Drilling Supply offers an extensive range of DTH hammers suitable for a wide variety of drilling techniques and environments.
1. Product Features
Easy to service
Special heat-treated alloy piston for long life,
Reversible wear sleeve
Minimum loss of performance when injecting foam or water; drills well under water
2. Detailed structure information
| TH18 | |
| Length(less bit) | 2425mm |
| Weight (less bit) | 1530kg |
| External diameter | 406mm |
| Bits shank | TH18 |
| Bits diameter | 500mm-700mm |
| Connection thread | 273mm Or 320mm Hexagonal |
| Air pressure | 1.0-2.5Mpa |
* Hammers without footvalve are available.
* External diameter of hammer is adjustable according to customers' requests.
* Shock absorbers and Hexagonal Joints are available.
3. Product Application
-----Widely applied for complex rock formations like caves,pebbles,fissures etc
-----Drilling through hard rocks with high rate of penetration
-----Low air consumption
4. Site information
