Table 1.
Drilling bit geometry.
| |||||||||
|---|---|---|---|---|---|---|---|---|---|
| DC (mm) | LU (mm) | DCON (mm) | SIG (°) | PL (mm) | OAL (mm) | LF (mm) | LCF (mm) | Helix Angle (°) | Material |
| 7.92 | 25.00 | 8.00 | 118.00 140.00 |
1.20 | 80.00 | 78.80 | 30.00 | 29.82 | Carbidre Substrate Uncoated |
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