Parameter of MC309
Acr crown profile and self-sharpening impregnated segments.
Natural diamond ID&OD gauge.
Applicable for extreme hard and abrasive formation such as quartz sandstone.
Recommend for high rotary speed.
Radial fluid courses design.
| Bit Specification | ||
| Size | TFA | Gauge Length |
| in | In2 | in |
| 5 7/8 | 0.1~1.0 | 1~1/8 |
| 6 | 0.1~1.0 | 1~1/8 |
| 8 1/2 | 0.5~1.5 | 1~7/16 |
