| Product Specification | |
| Type specification(inch): | 6 1/8 |
| Type specification(mm): | 155.6 |
| IADC: | LYD437 |
| Additional features: | G |
| Formation: | Extremely soft stratum with high permeability,Low compressive strength |
| Drilling condition: | rotary drilling、high temp.drilling、deep drilling、motor drilling |
| Bearing Type: | journal bearing |
| Total teeth count: | 69 |
| API connection(REG pin): | 3 1/2 REG |
| Weight on bit(KN): | 0.25-0.64 |
| Rotary speed(Rpm): | 180-60 |
| Recommened upper torqueKN.M: | 9.6-12.4 |