| 产品信息 | |
| Type specification(inch): | 6  | 
  
| Type specification(mm): | 152.4mm  | 
  
| IADC: | 137  | 
  
| Additional features: | G  | 
  
| Formation: | Soft Formation of Low Crushing Resistance and High Drillability  | 
  
| Drilling condition: | rotary drilling、high temp.drilling、deep drilling、motor drilling  | 
  
| Bearing Type: | journal bearing  | 
  
| Total teeth count: | 77  | 
  
| Gage row teeth count: | 33  | 
  
| Number of gage rows: | 3  | 
  
| Number of inner rows: | 5  | 
  
| Journal angle: | 33°  | 
  
| Offset: | 5.6  | 
  
| API connection(REG pin): | 3 1/2  | 
  
| Weight on bit(KN): | 53-160  | 
  
| Rotary speed(Rpm): | 300-60  | 
  
| Recommened upper torqueKN.M: | 9.5-12.2  |