 
	  | Product Specification | |
| Type specification(inch): | 7 1/2 | 
| Type specification(mm): | 190.5mm | 
| IADC: | 127 | 
| Additional features: | GC | 
| 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: | 63 | 
| Gage row teeth count: | 35 | 
| Number of gage rows: | 3 | 
| Number of inner rows: | 4 | 
| Journal angle: | 33° | 
| Offset: | 6.5 | 
| API connection(REG pin): | 4 1/2 | 
| Weight on bit(KN): | 67-190 | 
| Rotary speed(Rpm): | 300-60 | 
| Recommened upper torqueKN.M: | 16.3-21.7 |