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T103-200mm Cross Bit for Anchor drilling
- Code No. : T103-200mm,EXX Type
- Outer diameter thread length : 138mm
- Inner diameter thread : 108mm
- length of the thread : 66mm
- Total length of drill bit : 125-160mm
One of the main components in this technology is a sacrificial drill bit. It helps the drilling and inserting of SDA operation at the same time. This increases the productivity of the SDA installation. The sacrificial drill bit quality defines improving the SDA technique’s penetration rate, performance, and cost-efficiency.
T103-200mm Cross Bit Specification
| NO. | Bit Type | thread | Out Dia. mm | Weight kg | Hardness HRC | Steel Type | |
| Spec | L/R hand | ||||||
| 1 | EXX | R32 | L/R | 45 | 0.38 | 87-90(Carbide) | EN10083-1=4140=42CrMo |
| 2 | T30 | 0.37 | |||||
| 3 | R32 | 51 | 0.42 | ||||
| 4 | T30 | 0.42 | |||||
| 5 | R32 | 76 | 1.22 | ||||
| 6 | R38 | 1.27 | |||||
| 7 | T40 | 1.27 | |||||
| 8 | T40 | 90 | 2 | ||||
| 9 | T40 | 100 | 2.2 | ||||
| 10 | R51 | 110 | 3.2 | ||||
| 11 | R51 | 115 | 3.5 | ||||
| 12 | T73 | 130 | 4.1 | ||||
| 13 | T76 | 3.65 | |||||
| 14 | T76 | 150 | 6.3 | ||||
| 15 | T103 | 175 | 6.96 | ||||
| 16 | T108 | 138 | 11.5 | ||||
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