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Friction Bolts
Product use:
Product Features:
Split sets are mainly used in hard rock mines such as copper and gold mines.Bolts are installed in the rock strata by extrusion, which can generate axial andradial frictional expansion force with the rock strata, thereby generating hugesupporting force and protecting the safety of the roadway.
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Product Details
Assembly
Parameter
| Bolt Size (mm) | 33 | 35 | 39 | 42 | 46 |
| Available Tube Length (m) | 0.6 to 2.4 | 0.6 to 2.4 | 0.6 to 3.0 | 0.6 to 3.0 | 0.6 to 3.7 |
| Available Tube Length (ft) | 2 to 8 | 2 to 8 | 2 to 10 | 2 to 12 | 2 to 12 |
| Recommended Bit Size (mm) | 31 to 33 | 32 to 35 | 35 to 38 | 40 to 42 | 43 to 45 |
| Recommended Bit Size (inch) | |||||
| Typical Breaking Capacity (metric ton) | 10.9 | 10.9 | 12.7 | 12.7 | 18.1 |
| Typical Breaking Capacity (ton) | 12 | 12 | 14 | 14 | 20 |
| Min. Breaking Capacity (metric tons) | 7.3 | 7.3 | 9.1 | 9.1 | 13.6 |
| Min. Breaking Capacity (tons) | 8 | 8 | 10 | 10 | 15 |
| Recommended Initial Anchorage (metric ton) | 4 to 7 | 4 to 7 | 5 to 8 | 5 to 8 | 6 to 12 |
| Recommended Initial Anchorage (tons) | 4.4 to 7.7 | 4.4 to 7.7 | 5.5 to 8.8 | 5.5 to 8.8 | 6.6 to 13.2 |
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