 
	 
	  | Product Specification | |
| Type specification(inch): | 4 3/4 | 
| Type specification(mm): | 120.7mm | 
| IADC: | 517 | 
| Additional features: | G | 
| Formation: | High pressure resistance,medium hard formation with hard and thick interlayer. | 
| Drilling condition: | rotary drilling、high temp.drilling、deep drilling、motor drilling | 
| Bearing Type: | journal bearing | 
| Total teeth count: | 39 | 
| API connection(REG pin): | 2 7/8 | 
| Weight on bit(KN): | 30-77 | 
| Rotary speed(Rpm): | 160-60 | 
| Recommened upper torqueKN.M: | 6.1-7.5 |