Click image to view full size image
MAXDRILL Down The Hole Hammer, DTH hammer
Down the hole hammers and drill bits are designed together to work in perfect unison, giving high penetration rates, long service life and low costs. Because of economy and powerful drilling capacity, down the hole hammer become an advanced drilling tool for drilling and mining industries.
Our DTH equipment’s precision engineering and high standards can ensure the drilling efficiency，the hammers and bits feature solutions, which optimize impact-energy transmission into the rock. Combining advanced materials technology with skillful design focusing on performance, simplicity and endurance, our DTH tools give high productivity, great reliability and low operating costs.
Advantage:
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multihead thread connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and drill pipe
Low pressure and high pressure hammers are available in our company
| Name | Specification | Air consumption (m3/min) | Air pressure (mpa) | Fitted drill bit (mm) |
| CIR series low pressure DTH hammer | 70 | 4 | 0.5-0.7 | 76 |
| 90 | 7.2 | 0.5-0.7 | 90、100、130 | |
| 110 | 12 | 0.5-0.7 | 110、123 | |
| 150 | 15.9 | 0.5-0.7 | 155、165 | |
| 170 | 18 | 0.5-0.7 | 175、185 | |
| Middle pressure hammer | valveless type 110 | 11-30 | 0.5-1.0 | 150-165、205-252 |
| DHD series high pressure DTH hammer | DHD350-380 | 6.5-31 | 0.7-2.1 | 140、133、152、165、204、254 |
MAXDRILL Down The Hole Hammer, DTH hammer
