Coupling
The couplings are used to link anchor bars to make the anchor longer, thus promote its installation depth.
Features
- Stable quality;
- Thread is compatible with ISO and other international standards;
- Precision-manufactured anchors with ≤ 0.25 mm tolerance;
- Good mechanical performance.
Pre-supporting, micropiling for foundation underpinning, slope anchorage, etc.
Parameters
| Thread size | Length(mm) | Outside diameter(mm) | Unit weight (kg) |
| R25 | 150 | 36 | 0.6 |
| R32 | 145 | 42 | 0.7 |
| 160 | 42 | 0.8 | |
| 190 | 42 | 0.9 | |
| R38 | 180 | 51 | 1.4 |
| 220 | 51 | 1.7 | |
| R51 | 140 | 63 | 1.4 |
| 200 | 63 | 2 | |
| T76 | 220 | 95 | 4.7 |
| T30 | 105 | 38 | 0.42 |
| T40 | 140 | 54 | 1.1 |
| 140 | 57 | 1.3 | |
| T52 | 160 | 70 | 2.4 |
| T73 | 235 | 89 | 3.7 |
| 245 | 95 | 5.7 | |
| T103 | 255 | 123 | 7.5 |
| 290 | 132 | 12.5 | |
| T127 | 255 | 139 | 7.5 |
| Steel grade | As per request | ||
| Thread direction | Left hand / Right hand | ||
| Thread standard | ISO 10208 / ISO 1720/ Other international standards | ||
| Hardness (HRC) | HRC25~HRC30 | ||
| Features | All are designed with middle stop , O rings are available as per request. | ||
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Sinodrills is an international market-oriented enterprise specialized in manufacturing and supplying rock drilling tools. Relying on two manufacturing facilities, we supply a wide variety of rock drills, including top-hammer drilling, down the hole drilling, self-drilling anchors, rag bits. In virtue of reliable quality, competitive pricing, professional and valuable service, we now have grown to be a leading drilling equipment manufacturer in China. When it comes to premium quality rock drilling tools, you need to look no further than Sinodrills. Our drilling products are top-of-the-line. Our goal is to offer you the best hole quality, the most meters drilled per hour, and the lowest production cost possible. We have all the rock tools expertise to offer you the best possible drilling performance.
