Anchoring Casing Bits
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Support works
Ground reinforcement
Technical Specifications
| C, Mm | C, Inch | Outer Tube Diameter (D1), Mm | Inner rod diameter (D2), mm | D, mm | Thread (T), mm | Weight, kg | Product name |
| 111 | 4 3/8 | 102 | 54 | 75 | 90 | 4 | 102 crown bit |
| 127 | 5 | 114 | 54 | 89 | 102 | 4.1 | 114 crown bit |
| 140 | 5 1/2 | 133 | 76 | 108 | 122 | 5.1 | 133 crown bit |
| 152 | 6 | 146 | 76 | 120 | 134 | 6 | 146 crown bit |
| 178 | 7 | 168 | 89 | 134 | 154 | 8.8 | 168 crown bit |
| 191 | 7 1/2 | 178 | 89 | 134 | 154 | 8.8 | 178 crown bit |
| The standard thread configuration is left-hand thread. | |||||||
Details
In applications such as ground reinforcement and slope stabilization, the formations are generally loose or soft. Therefore, pointed button inserts are used on anchoring casing bits to achieve faster penetration rates and improved drilling efficiency.