Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
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DTH Reverse Circulation Bits Hammer For Exploration Drilling
| Model | Common name | Product code | Thread | Outer Diameter (mm) | Rec. hole size | Length without bit (mm) | Weight without bit (kg) |
| TH1080RC | - | 24X000 | Remet3.5 | 108 | 115-130 | 1145 | 50 |
| TH1162RC | RE543 | 24J000 | Metzke4 | 116 | 124-146 | 1191 | 61 |
| TH1186RC | RE545 | 24L000 | Rmet4.5 | 118 | 127-146 | 1210 | 64 |
| TH1214RC | RE040 | 24H000 | Metzke4 | 121 | 130-146 | 1234 | 73 |
| TH1261RC | RE052 | 248000 | Remet4.5 | 126 | 133-160 | 1272 | 68 |
| TH1305RC | RE054 | 24G000 | Remet4.5 | 130 | 137-178 | 1294 | 82 |
| TH1397RC | RE140 | 24F000 | Metzke4.5 | 130 | 137-178 | 1342 | 84 |
Advantages:
1. Accurate sampling;
2. Enviornmental operation;
3. Compared with conventional drilling tools, reverse circulation hammer flush cutting inside the pipe with small resistance to effect to effect, easy flushing;
4. Special custom made alloy steel is adopted for sampling tube and shroud, and the surface of flushing pipe is hardende, with long lifetime;
5. High quality rubber components and seal kit