Arc crown profile design and blades cutter setting.
Natural diamond ID&OD gauge, fluid courses set on ID gauge to ensure a better cleaning and cooling effect upon cutters of the gauge.
Application for medium hard formations and it allows to be used in various formations.
| Bit Specification | ||
| Size | TFA | Gauge Length |
| In2 | in | |
| 5 7/8 | 0.3~0.8 | 1~1/8 |
| 0.3~0.8 | 1~1/8 | |
| 8 1/2 | 0.6~1.2 | 1~1/2 |
